LangRef Search

Supported languages

Search covers 45 languages through 91 indexed sources. Japanese results are available where a source publishes Japanese documentation; other languages fall back to English.

Python

Python DocumentationOfficial · ReferenceIndexed documentation: English / Japanese
Python Enhancement ProposalsOfficial · Proposal / RFCIndexed documentation: English

Rust

Rust DocumentationOfficial · ReferenceIndexed documentation: English
Comprehensive RustConventional · ReferenceIndexed documentation: English

JavaScript

ECMAScript SpecificationOfficial · SpecificationIndexed documentation: English
TC39 ProposalsOfficial · Proposal / RFCIndexed documentation: English
MDN Web DocsConventional · ReferenceIndexed documentation: English / Japanese
The Modern JavaScript TutorialConventional · ReferenceIndexed documentation: English

TypeScript

TypeScript DocumentationOfficial · ReferenceIndexed documentation: English
TypeScript Deep DiveConventional · ReferenceIndexed documentation: English

Go

Go DocumentationOfficial · ReferenceIndexed documentation: English
Go Standard LibraryOfficial · ReferenceIndexed documentation: English
Go by ExampleConventional · ReferenceIndexed documentation: English

C

cppreference CCommunity · ReferenceIndexed documentation: English / Japanese

C++

cppreference C++Community · ReferenceIndexed documentation: English / Japanese
cpprefjpCommunity · ReferenceIndexed documentation: Japanese
WG21 PapersOfficial · Proposal / RFCIndexed documentation: English
C++ Core GuidelinesConventional · ReferenceIndexed documentation: English

C#

Microsoft C# DocumentationOfficial · ReferenceIndexed documentation: English / Japanese

Java

Oracle Java DocumentationOfficial · ReferenceIndexed documentation: English / Japanese
JDK Enhancement ProposalsOfficial · Proposal / RFCIndexed documentation: English

PHP

PHP ManualOfficial · ReferenceIndexed documentation: English / Japanese
PHP: The Right WayCommunity · ReferenceIndexed documentation: English

Ruby

Ruby DocumentationOfficial · ReferenceIndexed documentation: English / Japanese

Swift

Swift DocumentationOfficial · ReferenceIndexed documentation: English

Kotlin

Kotlin DocumentationOfficial · ReferenceIndexed documentation: English

Scala

Scala DocumentationOfficial · ReferenceIndexed documentation: English
Scala Documentation (Japanese community translation)Community · ReferenceIndexed documentation: Japanese

Dart

Dart DocumentationOfficial · ReferenceIndexed documentation: English
Dart API ReferenceOfficial · ReferenceIndexed documentation: English

Elixir

Elixir DocumentationOfficial · ReferenceIndexed documentation: English
Elixir Lang GuidesOfficial · ReferenceNot indexed yet (Adapter not implemented.)
Elixir SchoolCommunity · ReferenceIndexed documentation: English

Erlang

Erlang/OTP DocumentationOfficial · ReferenceIndexed documentation: English

Haskell

Haskell DocumentationOfficial · ReferenceNot indexed yet (Adapter not implemented.)
GHC User's GuideOfficial · ReferenceIndexed documentation: English
Learn You a Haskell (community edition)Community · ReferenceIndexed documentation: English

Lua

Lua Reference ManualOfficial · ReferenceIndexed documentation: English

Luau

Luau DocumentationOfficial · ReferenceIndexed documentation: English

Perl

Perl DocumentationOfficial · ReferenceIndexed documentation: English

R

R ManualsOfficial · ReferenceIndexed documentation: English
Advanced R (2nd edition)Conventional · ReferenceIndexed documentation: English

Julia

Julia DocumentationOfficial · ReferenceIndexed documentation: English

Clojure

Clojure ReferenceOfficial · ReferenceIndexed documentation: English
Clojure GuidesCommunity · ReferenceIndexed documentation: English

Groovy

Groovy DocumentationOfficial · ReferenceIndexed documentation: English

Objective-C

Objective-C DocumentationOfficial · ReferenceNot indexed yet (Apple's undocumented DocC JSON is excluded: Apple's Website Terms prohibit automated extraction and redistribution, and no documented distributable static index is offered.)
GNU Objective-C FeaturesOfficial · ReferenceIndexed documentation: English

Bash

Bash Reference ManualOfficial · ReferenceIndexed documentation: English

PowerShell

PowerShell DocumentationOfficial · ReferenceIndexed documentation: English / Japanese

F#

F# DocumentationOfficial · ReferenceIndexed documentation: English / Japanese
F# for Fun and ProfitConventional · ReferenceIndexed documentation: English

Visual Basic

Visual Basic DocumentationOfficial · ReferenceIndexed documentation: English / Japanese

Zig

Zig DocumentationOfficial · ReferenceIndexed documentation: English
zig.guideConventional · ReferenceIndexed documentation: English

Nim

Nim DocumentationOfficial · ReferenceIndexed documentation: English

Crystal

Crystal ReferenceOfficial · ReferenceIndexed documentation: English

D

D Language DocumentationOfficial · ReferenceIndexed documentation: English
Programming in DConventional · ReferenceIndexed documentation: English

OCaml

OCaml DocumentationOfficial · ReferenceIndexed documentation: English
OCaml Programming: Correct + Efficient + BeautifulConventional · ReferenceIndexed documentation: English

Solidity

Solidity DocumentationOfficial · ReferenceIndexed documentation: English
Solidity Documentation (Japanese community translation)Community · ReferenceIndexed documentation: Japanese
Solidity by ExampleCommunity · ReferenceIndexed documentation: English

Elm

Elm GuideOfficial · ReferenceIndexed documentation: English
Elm PackagesConventional · ReferenceIndexed documentation: English

Racket

Racket DocumentationOfficial · ReferenceIndexed documentation: English

Common Lisp

Common Lisp HyperSpecCommunity · ReferenceNot indexed yet (LispWorks permits only complete, unmodified HyperSpec redistribution and expressly forbids partial copies and derivative works, so its symbol index cannot seed a distributable metadata bundle.)
Common Lisp Technical ReferenceCommunity · ReferenceIndexed documentation: English
The Common Lisp CookbookCommunity · ReferenceIndexed documentation: English

Fortran

GNU Fortran ManualOfficial · ReferenceIndexed documentation: English
Fortran LangConventional · ReferenceIndexed documentation: English

Haxe

Haxe ManualOfficial · ReferenceIndexed documentation: English
Haxe APIOfficial · ReferenceNot indexed yet (Adapter not implemented.)

SQL

PostgreSQL DocumentationOfficial · ReferenceNot indexed yet (Adapter not implemented.)
MySQL DocumentationOfficial · ReferenceIndexed documentation: English / Japanese
SQLite DocumentationOfficial · ReferenceIndexed documentation: English

WebAssembly

WebAssembly on MDNConventional · ReferenceIndexed documentation: English / Japanese
WebAssembly SpecificationOfficial · ReferenceNot indexed yet (Adapter not implemented.)

HTML

HTML on MDNConventional · ReferenceIndexed documentation: English / Japanese
web.dev Learn HTMLConventional · ReferenceIndexed documentation: English

CSS

CSS on MDNConventional · ReferenceIndexed documentation: English / Japanese
web.dev Learn CSSConventional · ReferenceIndexed documentation: English