Source code

Introduction Installing V from source Upgrading V to latest version Packaging V for distribution Getting started Hello World Running a project folder with several files Comments Functions Hoisting Returning multiple values Symbol visibility Variables Mutable variables Initialization vs assignment Warnings and declaration errors V Types Primitive types Strings Runes Numbers Arrays Fixed size arrays Maps Map update syntax Module imports Selective imports Module import aliasing Statements & expressions If Match In operator For loop Defer Goto Structs Heap structs Default field values Required fields Short struct literal syntax Struct update syntax Trailing struct literal arguments Access modifiers Anonymous structs Static type methods [noinit] structs Methods Embedded structs Unions Functions 2 Immutable function args by default Mutable arguments Variable number of arguments Anonymous & higher order functions Closures Parameter evaluation order References Constants Required module prefix Builtin functions println Printing custom types Dumping expressions at runtime Modules Create modules Special considerations for project folders init functions cleanup functions Type Declarations Type aliases Enums Function Types Interfaces Sum types Option/Result types and error handling Custom error types Generics Concurrency Spawning Concurrent Tasks Channels Shared Objects JSON Decoding JSON Encoding JSON Testing Asserts Asserts with an extra message Asserts that do not abort your program Test files Running tests Memory management Control Stack and Heap ORM Writing Documentation Newlines in Documentation Comments Tools v fmt v shader Profiling Package management Package commands Publish package Attributes Conditional compilation Compile time pseudo variables Compile time reflection Compile time code Compile time types Environment specific files Debugger Call stack Trace Memory-unsafe code Structs with reference fields sizeof and __offsetof Limited operator overloading Implicitly generated overloads Restriction Performance tuning Tuning operations details Atomics Global Variables Cross compilation Debugging C Backend binaries (Default) Native Backend binaries Javascript Backend V and C Calling C from V Calling V from C Passing C compilation flags pkgconfig Including C code C types C Declarations Export to shared library Translating C to V Working around C issues Other V Features Inline assembly Hot code reloading Cross-platform shell scripts in V Vsh scripts with no extension Appendix I: Keywords Appendix II: Operators Other online resources V contributing guide V language documentation V standard module documentation V online playground Awesome V The V language Discord

Upgrading V to latest version

If V is already installed on a machine, it can be upgraded to its latest version by using the V's built-in self-updater. To do so, run the command v up.

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Last updated: 2024-10-21 18:00:57, V Commit: 2499d26

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