Code is unreachable vscode. In your case, you have a bool type on an if/else condition.


Code is unreachable vscode shows "No code Unreachable network with Docker-compose and network_mode. Please make another option for "Any" so the sys. If it is the shortcut, then right click on it and again press "Open file location". Code Coverage thinks it this way, you have added all possibility of existing enum, there is no way default will be called. download. To resolve the issue, move your return statement to the bottom of the functionand make sure your code is indented properly. Visual Studio Code darkens the color on code which is unreachable. The following code shows the last line wrongly as unreachable in VSCode: from typing import Any import pandas as pd def generate_series -> Any: Pylance says it is ok to decide that it is unreachable code because pandas-stubs starts checking if all list is None then it will fail. Zig Version 0. Primarily needed in Angular 2+ and TypeScript projects. Current Setup D @erictraut I tried it and I don't find it as a good solution. sendline method always raises an exception. I can see how that wasn't clear. Those last two lines give me the warning: This code is unreachable. I see everyone is posting their minimal vscode, so here's mine I had a function with a annotated return type of typing. The thing is that I console. 1734972437 VS Code v I think is not correct to mark the code as unreachable when there is a context manager that can handle the exception. VSCode Python - Code with strange color format. Why? Using VSC: Version: 1. Chrome() makes the code below unreachable using VSCode and Pylance. Unreachable code after return statement. 5. (and hence these breakpoints are unreachable). So x must be True or False, and both cases have a return statement. I couldn't run the code due to the notification. On save, VSCode very rudely deletes func2 and func3!!! Yes I know it is unreachable code, but I am only adding that return there temporarily. The TypeScript compiler reports Some of the code within a script usign my local modules appears to be grayed out and 'unreachable' even though it running without any issues. Series for sure. Close(); My program works fine, I'm just troubled with this kind of warning. Expected behavior. . It matches code pattern based on their precoded expected behaviour. 2 (054a929, 2021-05-12T16:45:25. _noargs() and self. In a unit test, sys. Mine is directly related to using "add_experimental_option" for Chrome Options. Ask Question that need to share the same network. I'm using visual studio code on ubuntu 14. Unreachable code detected . Being unreachable should not occur when it is in fact reachable. This is why Eclipse flags it as an 'unreachable code error'. This comes from TypeScript by default not allowing unreachable code, combined with formatOnSave being set to true. ms-python. Closed ljharb opened this issue Jun 10, 2020 · 2 comments Closed before a bunch of other code. Commented Apr 1, 2016 at 18:03. Select full in Editor: Auto Indent section. vscode keeps deleting unreachable code. Further, if you want this to be an error, GCC and Clang support -Wunreachable-code, so you can use -Werror=unreachable-code Paste this code on your editor, Pylance will think self. from typing import assert_never foo: int = 123 if isinstance(foo, str): assert_never(foo) # unreachable Setting Up VS code behind proxy (Proxy script pac file) in Windows 10 to install extensions and updates. As a second point, just to improve your code, you can combine conditions in your switch statement. [1]Unreachable code is sometimes also called dead code, [2] [3] although dead code may also refer to code that is executed but has no effect on the output of a program. 45. Download Visual Studio Code to experience a redefined code editor, optimized for building and debugging modern web and cloud applications. The method tube. send_raw has no type You signed in with another tab or window. Compiler Warning (level 2) CS0162. Since a return statement immediately exits the method, the compiler identifies the subsequent line of code as unreachable. The issue here is the assumptions about reachability inferred by pyright in the context of pylance and VSCode, and the lack of control for users to turn off the reachability analysis. exit() was mocked/patched, but Pylance still claimed everything after the function call was unreachable, leading to it being greyed out in VSCode, annoyingly. EXTREMELY FRUSTRATING! why can't it just give a WARNING??? I want to KEEP tha In the example below, this inspection reports Console. how do i disable that? for example: i regularly need to test/poc stuff, and just temporarily insert a "return x". egamma assigned mjbvz May 5, 2017. 5+commit. Install venv. The code after np. some_func') Visual Studio Code is free and available on your favorite platform - Linux, macOS, and Windows. Learning 2024 VSCode/VIM setup Place your cursor on a line of code and press Shift+Enter to activate Smart Send. Linting. 3 Steps to Reproduce: Have fix on save enabled Have unreachable code (for example while refactoring) Press save while refactoring. So your method does not necessarily reach int count2 = 0; because it assumed that the method already reached its goal. Important. mjbvz VSCode Version: Code 1. Even if u do not create tsconfig. The main difference here is the word IDEEclipse is an IDE and is the most widely used Java IDE, but, Visual Studio Code is not an IDE, but, a code editor. Based on your code you can place it on the else part of your code: python 3. In your example, the get method in the MyBaseClass has no return type annotation, so Pylance is forced to infer its type based on Repro Steps. How-to. 91 applicationName VSCode applicationVersion 1. send_raw, which raises the exception EOFError('Not implemented'). mock import patch import pytest @patch('mylibrary. I'm doing this simple code of taking 4 inputs from the user and checking them. 3, yet in the VSCode terminal it says it is running 4. Improve this answer. (Refer to PEP 484 for information about the NoReturn type. dev for quick edits online! GitHub, Azure Repos, and local files. 11+, you can use typing. I don't know for sure that this is a pan I've exprienced some crash when some network shared ressource is going down : i currently work on some code stored on a nas, shared via smb protocol. All code wont really change anything to be honest because there is only a simple loop using the variables and printing stuff, everything works fine just the colors are dimmed as if the variables would not be used. i dont want it to delete all the unreachable code, because i could be switching between a bunch of hack statements. I have no idea how to fix this, but I understand it is not in your scope. Generated code may result in unreachable code that isn't practical to detect in the generation phase. I try to stay warning free, but not sure the best way to do this. In such a short code fragment it is obvious that the two if statements are testing the same thing, however if there are 10-15 code lines in the middle it might not be so obvious anymore. concat and anything after it is grayed out, even though the code works as expected. I've getting a strange warning in VSCode after concatenating data that reads Code is unreachable Pylance. Actual behaviour. It needs to be row by row. How can one remove the "Code is unreachable problem". fixAll": false, but this would interfere with real autofixes. Which means the control will leave the function in these two ways. I really don't know why it happened. See SHA Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company emilmuller changed the title TypeScript code editor detects unreachable code, but it's not unreachable TypeScript code editor detects unreachable code after switch statement, but it's not unreachable Apr 19, 2020 I am trying to use VSCode to debug a node app I am running. prss. That's because it calls the tube. You can also end up getting unreachable code if you use say for example Entity Framework, and you didn't add that reference to that project. It assigns the specified value to the function, and then it will stop. Best regards, Phil. Case solved. Similar thing also happens when using jupyter Notebook in vscode. liam-clink opened this issue Sep 3, 2022 · 5 comments Comments. json, it follows the documented behavior and assumes the default is false. The compiler detected code that will never be executed. 2. Remove unreachable code: Category: Style: Subcategory: Unnecessary code rules (expression-level preferences) Applicable languages: C# and Visual Basic: Overview. Right click on "VS Code" (or "Visual Studio Code") Click on "Open file location" You will then be directed to a folder, where either the VS Code program is or a VS Code shortcut is. Looks like it's resolved in newer versions of numpy. The issue with me was timeout at first. length;x++) { System. If you want to try a Microsoft IDE, you can download Visual Studio Community, a fully-featured, extensible, free IDE for creating modern applications for Android, iOS, Windows, as well as web applications and AFAICT, VSCode should not delete code like this. Steps to Reproduce: 1. This dead code doesn’t do any functionality in the program but unnecessarily occupies the space in the application memory, and also due to this there are different problems Error: Unreachable code. ; Seems like Never type of test variable is not the root of the problem I've configured "allowUnreachableCode": false in project's tsconfig. 95. For instance, if I use an if-statement without an else. microsoft. The JavaScript warning "unreachable code after return statement" occurs when using an expression after a return statement, or when using a semicolon-less return statement but including an expression directly after. bug Something isn't working. When: Your program has no path to a code snippet, making that code snippet unnecessary. concat([]). It solved it immediately. I was able to reproduce the problem you're seeing, and I have a fix that will be in the next release. WriteLine("Error"); as unreachable, because the program can only enter the foreach loop if the list is not null. Actual behavior. @juanfranblanco I see that the latest version is still Compiler using remote version: 'latest', solidity version: 0. Now in release mode the compiler inlined the function bar() which resulted in a C4702: unreachable code warning, but it indicated the first line of function bar() where seemingly nothing was wrong. 53. I disabled all extensions, ran all of the linters separately, etc, and my code keeps being removed when I accidentally save with syntax errors. clang. tar. Smart Send. 2 Commit: 903b1e9d899 Expected behavior. References: Code after the rethrow will give an "Unreachable code detected" warning. Sometimes, the redis service How to deal with more than one `network_mode` in a VSCode Remote dev container Visual Studio Code is a great editor for PHP development. 0 Steps to Reproduce and Observed Behavior I don't have much idea how to do it, but basically, it h The check for unreachable code is rather complex but it can also give false positives. Since the code runs, it should be visible as reachable section. This rule disallows unreachable code after return, throw, continue, and break statements. It underlines the word con in con. Built-in Your code having two code path, one is through if condition and another is through the else. Logs. Series - code is reachable again. I'm coding in Javascript and some of my text blocks were greyed out. Unreachable Code vs. I can understand from your comment on #470 that this is intended but consider it as a feature request. (actually each line of code after the return; VSCode IntelliSense supports Typescript without the need of ANY setup. fail, which would in fact make the code unreachable. You get features like syntax highlighting and bracket matching, IntelliSense (code completion), and snippets out of the box and you can add more functionality through community-created VS Code extensions. 11. The throw is unreachable but the C# compiler does not produce a warning in the case of a throw statement. It's been a while since I wrote that code and I have that warning as well on VSCode, you can simply delete that block of code or leave it as is, it's just a warning and you still can run the code normally. 3 Extension Host: desktop Steps to Reproduce Expected Behaviour Logs Extension version: 1. Closed liam-clink opened this issue Sep 3, 2022 · 5 comments Closed Code marked as unreachable after numpy. gz (probably a little change in the file name) was not able to install due to tar not being present in my host. Changes are saved automatically and applies to all opened files as well. After outputting the data though, I want to re-configure each individual series as a datetime and export it as a df. Unused JavaScript code, such the else block of an if statement that is always true or an unreferenced import, is faded out in the editor: You can quickly remove this unused code by placing the cursor on it and triggering the Quick Fix command (⌘. There's this issue which was closed and the solution was to upgrade Selenium and VSCode but this problem seems to persist on selenium==4. , or in the browser with VS Code for the Web (vscode. Additional information. This is an open discussion forum where we try to help and guide you through using Devsense's PHP Tools software. ). 0 Feature request here: Gray out unused code (unused import's and require's and unreachable code) in editor with capability to remove it using IntelliSense and Ctrl+. 4 pylance v2024. You already have an ifelse statement. Code may reachable or not depending on the preprocessor defines (common cross platform developments, for example). cross() #3277. py and behold that some part appears unreachable even though it's only typehints def _plot_shapely( geometry: Polygon | MultiPolygon | list[Polygon | MultiPolygon], polygon_color="blue", tit Type: Bug Behaviour paste this code to vscode . 55. Here are some common causes Thanks for providing the example. If you change series_1 and|or series_2 types to be pd. 1 vscode 1. Type in settings and select Open User Settings. Learn how to use the Quick Actions and Refactorings menu to remove code that will never be executed. net - Visual Studio Code download CDN (deprecated) vscode. I didn't type it out because that code doesn't matter, it's any unreachable code. Why are these lines of my javascript code unreachable according to VSCode? I'd like to ask why lines 46 - 49 are unreachable in my discord. log() it and it doesn't output anything. TheArchitect4855 opened this issue Sep 14, 2023 · 9 comments Labels. 278Z) OS version: Windows_N Its visual studio code 1. Commented Apr 6, 2020 at 11:15 | Show 3 more comments. os / sys. The Python warning that code is unreachable occurs when you return a valuefrom a function and try to run more code after the function has returned. How can I fix this error? Archived post. Version Data extensionName VSLS-Audio extensionVersion 0. 7. Which means either of that will work and either of that will return (either the if condition or the else condition will work), and your code will never under any circumstances go to the last return statement and therefore that code is unreachable. If you want this rule to also report unreachable code after See below code for MyTestClass. The code is absolutely reachable and works fine, Pylance should not mark that if block as unreachable. what tool did you use that identified the unreachable code? – zzzzBov. The Java Language Specification (JLS) addresses the issue of unreachable code and provides guidelines on how it should be handled within the language. You signed in with another tab or window. Share Type: Bug Some of the code within a script usign my local modules appears to be grayed out and 'unreachable' even though it running without any issues VS Code version: Code 1. Like others here, I am having the code unreachable problem. Yes, I could "source. Navigation Menu ghost changed the title Unreachable code detected Bug - Unreachable code detected May 15, 2020. Everything still executes perfectly, it is just warning in the editor. The code runs, but my IDE (Visual Studio Code) says that from *** onwards the "Code is unreachable Pylance". VS Code version: Code 1. This is the most common cause of code being marked as unreachable. We're here to help! Unused variables and unreachable code. json that contains the following configuration: { "editor. Unreachable code: for(int x=0;x<arr. Use code snippet. However, sometimes, like Neil says, you intentionally create dead code, for debugging purposes or whatever reason. 1 OS Version: Windows 10 x64 This happens without ts-check, with ts-check, without all extensions. It will generate an unreachable code for the second if statement, since it can reason that bool must only be false at this point in the code. I tried increasing the timeout in settings but then later found the issue was with "tar". 8. 0 Client / Code Editor / Extensions nvim 0. The text was updated successfully, but these errors were encountered: All reactions If I unintentionally write unreachable code, I will see it in the warnings, and fix it anyway. @GriceTurrble, thanks for the clear instructions. import pandas as pd def concat_dfs(dfs: tuple[pd. DataFrame | None], logger) -> pd. I'd report this bug to the friendly folks at PyCharm to see if this is in fact the case. What: Removes code that will never be executed. Skip to content. When the nas is shutting down, and i keep the folder i'm working on open, vscode crashes. You signed out in another tab or window. No issued warning in this case. This behavior is intended. changing it would generate many harmless warnings). a4f2e591. 23. Surprisingly notice that after Hi @WickedWizard3588, thanks for the issue! The no-unreachable rule works as expected in this case, as it isn't designed to be aware of platform-specific features like process. egamma added the javascript JavaScript support issues label May 5, 2017. A temporary fix was to switch to the pre-release version of pylance extension (v2024. DataFrameClient, Pylance declares the code below declaration as unreachable, but on running the file; the code actually works. However, Pylance color them with [unreachable code color] Logs Code shouldn't be marked as unreachable. Here is an example of how the warning is caused. vscode directory with a settings. DataFrame | None: # filter out dfs that are None, if any dfs = [df for df in dfs if df is not None] # concatinate dfs, if any are not None: if not dfs: logger. There should be no message private Object pop(){ return myStack[0]; int count2 = 0; //Unreachable Code } method private Object pop(){} is looking for a return type Object and you just gave that return type by writing return myStack[0];. Use vscode. e. 72 1 1 Type: Bug Behaviour paste this code to vscode . 0. So pylance is correct. It is to maintain backwards compatibility with older compiler versions that did not warn on this (i. Essentially, Java normally shouldn't use conditional compilation like C routinely does with #ifdef, but there are some situations (such as debugging, and in particular backward binary compatibility) Copy the above code snippet into VSCode and hover your cursor above the first return statement to see the Pylance message that the return message is unreachable. from_list(a) on line 9 is unreachable: Expected behavior. NET Core app running in a kubernetes cluster hosted on another vm of my host machine. Automatic indentation is now enabled. Hot Network Questions What is the connection between measure theory and statistics? ברוך With return keywords, the def stops when the code runs into a return line. @melvinkokxw, the problem with influxdb is more difficult to solve vscode gives Unreachable code detected. Per the documentation:. print(arr[x]+" "); //unreachable code } To fix you need to set a variable for the first while condition that would somehow change a value once a condition is met. I am running Windows 10 Pro x64 1903 OS Build az764295. 1734972437 VS Code Version: 1. In your case, you have a bool type on an if/else condition. cross() function should not be gray colored and get [unreachable code] warning. This rule flags executable code within methods and properties that can never be reached, and hence can be removed. I guess I'm missing something here. github-actions bot added the triage label Oct 11, 2020. By "just" I mean that it won't necessarily stop your compile, but you should treat it as an indication of a bug. In Search settings box, input indent to search for settings related to indentation. One solution I found was to defer the import to the test function, with a type annotation beforehand to override the The code of the component is unreachable although is getting the dynamic route param Hot Network Questions How does the \label{xyz} know the name of the previous section, figure, etc All of a sudden, I have my code greyed out in Python notebook cells. Copy But when I write manim codes in VSC, the python plugin always mark my codes as "code unreachable" and render them as transluscent, which causes trouble to m Describe the bug I&#39;m a developer using VSCode and Pylance to write python codes. 6 numpy version: 1. after line 28 the code is grey, but it is clearly reachable (actually, run). Locate the Proxy script path from Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Press Ctrl+Shift+P to open Command Palette. There's this issue which was closed and the solution was to upgrade Selenium but this problem seems to persist on selenium==4. com - Visual Studio download server, provides dependencies for some VS Code extensions (C++, C#) Feature Request When using #if preprocessor directive with undefined symbol, whole code block is rendered as dimmed in vscode. Visual Basic. Commented Jan 7, 2022 at 23:49. I forced series_1 and series_2 to be of type Any because in my real code their calculation is to complex to infer type, but it's pd. Smart Send looks at the code where the cursor is placed, sends the smallest runnable chunk of code to the Python REPL, and then places your cursor at the next line of code. I researched about it and I tried what I found on the internet but it won't work. If you really wanted Using the webdriver. How should I update it in my VS Code extension (in Remix it's already live, I will use this in the meantime)? Nextcloud is an open source, self-hosted file sync & communication app platform. One solution I found was to defer the import to the test function, with a type annotation beforehand to override the A: To fix unreachable code, you need to find the reason why the code is unreachable and fix it. Therefore, the condition list == null will always be false inside this loop, and as a result, any code within this condition will never execute. Hope this helps. Without any planning or care, it&#39;s easy to build programs where everything interacts with everything else (the &quot;big ball of yarn&quot; model). Copy the path: which in my situation will be: "C:\Program Files\Microsoft VS Code" Code marked as unreachable after numpy. json, VSCode will still catch errors in Typescript. Pylance marks the line as unreachable code. Share. I use the standard python formatter from microsoft. Here's a minimally reproducible file. If you do not want pylance to infer NoReturn for this method, you need to do I understandably get CS0162 (unreachable code detected) warnings. Also, there's no hint to be seen, that anything might be wrong with the code - Ctrl-. Code Coverage does not go into depth of evaluating every possibility, so it is not question of testing it. This seems strange but it is by design and is documented in this Github issue. Then it works for a day and stops working again. main is special in the regard that it implicitly returns 0 in the absence of return statement (if the execution ever returns from main which your program never does). Code Snippet "Code is unreachable" import json def load_json (obj: str) Pylance says it is ok to decide that it is unreachable code because pandas-stubs starts checking if all list is None then it will fail. If you have multiple items which will return the same thing, you can The topic of unreachable code in Java is an important concept to understand, as it directly affects the behavior of your programs. platform won't show a warning, it is If you receive the message that you have unreachable code, then there is either no point in it being there, or something you did previously is out of order logically. 2 and VSCode==1. (Windows, Linux Ctrl+. It gives me a warning regarding Unreachable code detected. 2. The vscode-server. This can lead you to a bad time when your command-line compiler and Visual Studio disagree on whether unreachable code is allowed. With a ball of yarn, if you double the number of components, you quadruple the number of interactions: One of the best ways to fight against this ramp-up of complexity is . 1-1 on arch linux. 72. So VSCode is showing code that is 4. Which is just saying, the Compiler understands enough through Static Analysis that it can't be reached and completely omits it from the compiled IL (hence your warning). 2 (863d258, 2024-03-08T15:20:17. If there is no unreachable code, then there is no need to warn about it. Why: Improve readability and maintainability by removing code that is superfluous and will never be executed. What do self. #if 0 int test() // whole code block is dimmed { return 1; } #endif Is it possible to make same effect for unr Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company This should fix the unreachable code issue. see how vscode grays out and incorrectly marks "ts(7027)" on A note for Visual Studio (vscode) users: it appears that when vscode analyzes TypeScript code, and allowUnreachableCode is unset in tsconfig. Commented Apr 1, 2016 at 18:00. Close() could still be reached. This refactoring applies to: C#. as you can see in the screenshot below, everything under ch_options. r/vscode. 3. 80. When I build my container using Docker compose (via VS Code remote containers), sometimes everything's fine. Unreachable code detected. Basically, np. – Klaus D. Whatever tool, I think it is mistaken here. I'm new to React and I'm trying to build a simple project, but Visual Studio Pro tells me that the below code is "unreachable". If anyone knows how to fix this please inform. cs. visualstudio. Pylance raises a warning for the second call to pd. VSCode is coloring python code You signed in with another tab or window. In VS Code, unreachable code is indicated by a gray background color, as shown in the following image: Common Causes of Unreachable Code. com - Visual Studio Code download CDN; download. alexdima assigned mjbvz May 15, 2020. Devansh Garg Devansh Garg. 56. New comments cannot be posted and votes cannot be cast. Logs That statement was the "unreachable code" that the warning referred to. asked Nov 26, 2020 at 7:12. Copy link Collaborator. assert_never to assert unreachability in a way that can be verified by static type checkers such as mypy and pyright. Just paste code to vscode. In this article. 1. cross() function can be reached when execution. 04. I have created a venv in which I have assigned the correct venv By default, our unreachability hints include code that the type checker believes to be unreachable based on type analysis. All I actually think this is a bug in PyCharm, thinking that fail refers to TestCase. log(), not catch. codeActionsOnSave": { "source. 86. I'm attaching the VScode: VS: "Unreachable code" is a warning The text was updated successfully, but these errors were encountered: All reactions. So I installed tar in the host as "yum install tar" And then tried reconnecting to the server and it worked What happened? Using the webdriver. If only one branch had a return statement, con. The code formatting is available in Visual Studio Code through the following shortcuts: On Windows Shift + Alt + F; On Mac Shift + Option + F; On Linux Ctrl + Shift + I; Alternatively, you can find the shortcut, as well as other shortcuts, through the submenu View / Command Palette, also provided in the editor with Ctrl +Shift+ P (or Command + Shift + P on Saved searches Use saved searches to filter your results more quickly Software engineering is a battle against complexity. vo. It all works fine, but because pd. I am fairly new to python and using VScode. After the last update, Pylance grays out many reachable areas, which includes, but not limited to, the lines after pd. 2 platformName MacOS platformVersion 22. When I used {"pythonPlatform": "All"} it just swaps the unreachable part between the 'if' and 'else' statements. Code is marked as unreachable. I'm not sure why this is happening and was wondering if anyone here has experienced something similar or could shed some light on this issue. Emscripten. NoReturn (it calls sys. Note. especially since my pr It is correct to argue that the code is unreachable based on the static type checking; but it is also a reasonable user expectation that a common defensive construct (runtime type checking) does not result in a warning about unreachable code (when in fact, the code is "reachable" by the most commonly understood meaning of the word). I am not familiar with the function you are using, but it will be easier to help if you can edit your question to include the code itself, rather than a screenshot of your code. Does anyone know how I could fix this? It's annoying since it grays out everything after the *** line. concat is looking Sure. However, when I try to create a minimal example it works as expected. It should not darken it. Access & sync your files, contacts, calendars and communicate & collaborate across your devices. 13. ts(7027) warning on console. Issue Type: Bug when some code in the program becomes "Unreachable code detected", It is still showing the same message, when the necessary changes are made. My NumPy version is 1. Pylance claims that code under if not dfs: is unreachable and greys it out in VS Code. Koll. Note: You can prove this fact to your self by trying to Step on to the I am working on rock paper scissors game in order to learn python but my code is being greyed out/unnreachable, how would you solve it? import random def play(): user = input(&quot;What is your In the code you've posted, you're guaranteed to return, since you have a return statement in both branches of your if-statement. That is because that last return statement will never work. 2 I have found a bug, when i use the numpy cross() function inside a function, then all the code that follow get the message * code Visual Studio Code redefines AI-powered coding with GitHub Copilot for building and debugging modern web and cloud applications. Place your cursor anywhere in the faded out With python version 3. – Thomas R. Reload to refresh your session. This can be avoided by using the following code. Comments. msecnd. py and behold that some part appears unreachable even though it's only typehints def _plot_shapely( geometry: Polygon | MultiPolygon | list[Polygon | MultiPolygon], polygon_color="blue", tit Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company You signed in with another tab or window. )) or clicking on the lightbulb. Since it believes that f will always be a function, as defined at the bottom of your sample, it doesn't see any legal way for f to be None and therefore the code after the f is not None check is unreachable from its perspective. It's marking a portion of my code as "unreachable," even though the code executes without any problems. see microsoft/pyright#1951, microsoft/pyright#2231, microsoft/pyright#1531 it would be nice to have an option to disable unreachable code warnings. exit()). json, the following code will show a warning in VSCode: const fn = => { return // no-unreachable warning Steps to Reproduce: function test() { return abc(); return; } function abc() { } create TypeScript file and paste code remove the space in-between return and abc(); readd the space Cannot find name Language Server version: 2022. VS Code uses the official PHP linter (php -l) for PHP language diagnostics unreachable (W0101): Unreachable code; duplicate-key (W0109): Duplicate key %r in dictionary; unnecessary-semicolon (W0301): Unnecessary semicolon; global-variable-not-assigned (W0602): Using global for %r but no assignment is vscode reports reachable "unreachable code" after an IIFE #99726. cross has a type annotation of NoReturn which implies the function will never return. 74. The text was updated successfully, but these errors were encountered: karthiknadig transferred this issue from microsoft/vscode-python Oct 11, 2020. 1 pandas 2. Unreachable Code is also known as dead code in Compiler Design that points to the portion of a program that is never executed under any condition or scenario. Copy link TheArchitect4855 commented Ultimate Goal From a dotnet/core/sdk devcontainer (using VSCode Remote Containers), debug a . Unreachable Code Error: - The first method contains code (System. The Python extension enables Smart Send (Shift+Enter) by default. out. Dead Code . To troubleshoot unreachable code in VS Code, identify the unreachable code, analyze the code logic, fix the issue, I solved it by downgrading the pylance package to the previous version (go to your vscode extensions, and select the previous version). 1. python; Share. js script. Follow edited Nov 26, 2020 at 7:19. So Pylance believes the remaining code is unreachable. It does compile though and I can see the result in the Android simulator as expected. warning("All elements of dfs are None, Hi there, Sometimes Pylance states that my "Code is unreachable" even though the code works as expected. Install pandas. 51 OS and version: Windows 11 Python version: 3. send method which calls tube. println("World!");) after a return statement. If I add the else statement the code is "reachable" and not greyed out. Ensure that typescript is globally installed: npm i -g typescript; No VSCode setting needs to be changed. add_experimental_option("excludeSwitches", ["enable-logging"]) will be grayed out (unreachable): but if I comment it out: For each of the return VSCode reports that JSX inside brackets is not reachable For future use code formatters so it will automatically format your code every time you save the file. For example, if the code is inside a conditional statement with a always False condition, you can change the condition to make it True. 0 Zig Language Server Version 0. json setting required. 87. The code block after np. fixAll": true } } In this function I'd expect the final assert to be reachable (and it is, when I run the code it does hit that line), but Pylance is marking it as unreachable: from unittest. Devansh Garg. This is an untyped library, so pylance needs to infer type information from the source code. I'm not sure why this is happening and was wondering if anyone here has I have this problem and get the NoReturn type (and hence the unreachable code) with the NumPy cross function. functionA always raises an exception, so its inferred return type is NoReturn. Welcome to our community forum. Get previous versions. You can either turn off formatOnSave VS Code Version: 1. vscode-pylance. 642Z) there are many problems with pyright's unreachable code detection. keyboard shortcut. Copy link ZLS Crashes with panic: reached unreachable code on Windows 11 with VSCode #1442. Follow However, if I removed 'parent_folder' from my VS Code workspace, and instead How to make unreachable code warnings to be shown as errors in VSCode? Hot Network Questions After Joseph was accused of seducing Potiphar's wife, why was he sentenced to jail (for over 2 years) rather than executed? When I declare an instance of class influxdb. I can make these static get sets or create a non-static record/struct/class and instantiate instead but that feels like I'm writing bad code just appease the compiler - these are truly global consts that would only ever change at compile-time. Noti Unreachable code in Python can be caused by incorrect conditional statements, infinite loops, or syntax errors. I can't pinpoint the exact package that's causing it but it seems to be related to either ESLint or Prettier. I have been trying to work on a fairly simple project and I've been stuck at this problem for quite some time now. Issue Type: Bug unreachable code keeps getting automatically deleted on save and there seems to be no way to stop that. unreachable code after return stmt. 2 windows 10 Since the latest pylance update, I have found large portions of code being marked as unreachable when they definitely are not. exit(). Improve this question. 101 (pre-release)). dev). So the return statement after else will never triggers. – IGLAK. _args() do? If they both raise exceptions, you'll never get to Type: Bug Extension Information Cody Version: 1. I'd really, really hate it if the compiler would not let me do that. The type analyzer determines that the tube. If you want to do anything after that, you should call it outside the original function. I need to iterate over a df to send out each individual series as an output. You switched accounts on another tab or window. In Python, unreachable code can occur due to various reasons, such as incorrect conditional statements, infinite loops, or syntax errors. 0 OS Version: macOS 11. Go to vscode r/vscode. Unreachable code refers to code that can never be executed Expected behavior. No tsconfig. 10. It is safe to remove the line. In computer programming, unreachable code is part of the source code of a program which can never be executed because there exists no control flow path to the code from the rest of the program. 1 Answer Sorted by: Reset to default 0 . Turns out that the project's Github repo contains a . The method IMyClass. A yellow underline would be nice. Download Visual Studio Code to experience a redefined code editor, optimized for building and debugging modern web and cloud Unreachable code; Method doesn't return a value in all cases; Whereas the return value problem is an error, and will stop your compile from completing, the unreachable code is just a warning. Identifying Unreachable Code in VS Code. 2 The JLS section on unreachable code explains the rationale. Visual Studio Code is free and available on your favorite platform - Linux, macOS, and Windows. The methods in your example do not have a return type annotation, so their return types are inferred. That is why the compiler points it as unreachable code. A subreddit for working with Microsoft's Visual Studio Code Members Only way to fix is to reinstall VS Code. I launch the app in a separate terminal and then use the attach to process configuration to hook into it. If I use your example, but rename fail to for example failure, the errors disappears. Say you have several projects like A Data Layer Project, a Domain Classes, then you create a console app for testing or whatever and you reference where your dbcontext is at, but if you don't use say nuget and add in EF, you I had a function with a annotated return type of typing. iurhhs ufx wqwvde blwm uxrirn xsawgzm eqmf qyknvyz bazso embqj