Booleans

Booleans are a feature.

In computer science, the Boolean data type is a data type that has one of two possible values (usually denoted true and false), intended to represent the two truth values of logic and Boolean algebra.

the Booleans Wikipedia page
HTML of this page generated by LanguagePage.ts
Improve our Booleans file

Languages without Booleans include Markdown, SQLite, Ini

Languages with Booleans include Java, JavaScript, C, Python, C++, SQL, PHP, C#, Ruby, MySQL, R, JSON, Go, COBOL, Swift, Scala, Rust, PostgreSQL, Pascal, Ada, Lua, TypeScript, Kotlin, Elixir, Visual Basic, Julia, Modula-2, Dart, Reason, Crystal, F#, Modula-3, Solidity, OCaml, CoffeeScript, UML, GraphQL, Groovy, Nim, Liquid, Visual Basic .NET, ANTLR, Oz, Simula, Lasso, ABAP, Protocol Buffers, Nearley, idyll, MoonScript, PL/SQL, BlitzBasic, Click, EDN, F*, SPARQL, HCL, TLA, MariaDB, Isabelle, NetLogo, S-algol, wisp, Twig, Transact-SQL, Classroom Object Oriented Language, Augmented Backus-Naur Form, Bluespec, Ion, eC, Action!, Slope, Angelscript, Jule, Spin, blockml, Concise Encoding, Apex, ArkScript, carth, XL, mckeeman-form, Jupyter Notebook, spry, Caché Basic, Jison Lex, Ezhil, Cell, Arden syntax, llhd, PLZ, PROMAL, PowerQuery M, Ren, Ligo, C/AL, fizz, JSON Lines, Sophia, Mscgen, opengraph, Amazon Redshift, Freefem, Friendly Enough Expression Language

Example from JSON:

false

Example from Go:

c := true

Example from TypeScript:

const result = true

Example from Nim:

let res = true

Example from Ion:

null.bool
true
false

Example from Slope:

(define open? #t)

Example from Jule:

true false

Example from opengraph:

true
false
1
0

assignment-feature.html · booleans-feature.html · comment-feature.html

View source