Booleans
========
```Example from 2 languages: Go, Wa-lang
c := true
```
```Example from 1 languages: JSON
false
```
```Example from 1 languages: TypeScript
const result = true
```
```Example from 1 languages: Lua
true
false
```
```Example from 1 languages: Nim
let res = true
```
```Example from 1 languages: Chapel
bool true false
```
```Example from 1 languages: Gleam
let is_awesome = True
```
```Example from 1 languages: MoonBit
let a = true
```
```Example from 1 languages: Slope
(define open? #t)
```
```Example from 1 languages: Jule
true false
```
```Example from 1 languages: Bel
; The symbol nil represents falsity as well as the empty list.
; The symbol t is the default representation for truth, but any object other than nil also counts as true.
```
```Example from 1 languages: Ion
null.bool
true
false
```
```Example from 1 languages: opengraph
true
false
1
0
```
*
Languages *with* Booleans include JavaScript, C, Python, Java, Ruby, PHP, Go, JSON, SQL, TypeScript, C#, R, Rust, Swift, Scala, Lua, Kotlin, CoffeeScript, Elixir, Julia, Dart, Solidity, COBOL, Visual Basic, Pascal, Nim, Ada, PostgreSQL, Crystal, MySQL, Reason, GraphQL, Chapel, Groovy, OCaml, F#, Gleam, HCL, Liquid, MongoDB, Protocol Buffers, Visual Basic .NET, C3, ANTLR, F*, ABAP, Wa-lang, EDN, NetLogo, MoonScript, Janet, PL/SQL, CouchDB, Nearley, SPARQL, MoonBit, UML, Modula-2, Twig, C2, progsbase, TLA+, Click, idyll, Slope, eC, Simula, wisp, Transact-SQL, Isabelle, Modula-3, ArkScript, Oz, MariaDB, XL, Lasso, Jule, Angelscript, spry, BlitzBasic, Classroom Object Oriented Language, Ligo, Concise Encoding, Apex, Augmented Backus-Naur Form, JSON Lines, Jison Lex, Bluespec, Sophia, Spin, Cell, Ezhil, Jupyter Notebook, Action!, S-algol, Aardvark, JS++, Speedie, carth, Bel, Amazon Redshift, PROMAL, PowerQuery M, Uniform eXchange Format, C/AL, blockml, Ion, Arden syntax, Ren, fizz, BALGOL, Caché Basic, PLZ, bag-format, Freefem, llhd, Mscgen, McKeeman Form, opengraph, Friendly Enough Expression Language
*
Languages *without* Booleans include Markdown, Ini, SQLite, Lil, Veryl, PLY, mmCIF, SAT
*
View all concepts with or missing a *hasBooleans* measurement
http://pldb.info/../lists/explorer.html#columns=rank~id~appeared~tags~creators~hasBooleans&searchBuilder=%7B%22criteria%22%3A%5B%7B%22condition%22%3A%22null%22%2C%22data%22%3A%22hasBooleans%22%2C%22origData%22%3A%22hasBooleans%22%2C%22type%22%3A%22num%22%2C%22value%22%3A%5B%5D%7D%5D%2C%22logic%22%3A%22AND%22%7D missing
http://pldb.info/../lists/explorer.html#columns=rank~id~appeared~tags~creators~hasBooleans&searchBuilder=%7B%22criteria%22%3A%5B%7B%22condition%22%3A%22!null%22%2C%22data%22%3A%22hasBooleans%22%2C%22origData%22%3A%22hasBooleans%22%2C%22type%22%3A%22num%22%2C%22value%22%3A%5B%5D%7D%5D%2C%22logic%22%3A%22AND%22%7D with
*
Read more about Booleans on the web: 1.
https://en.wikipedia.org/wiki/Boolean_data_type 1.
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