Maps - language feature

Example from 1 languages: JSON

{"name": "Mary"}

Example from 1 languages: Lua

myMap = {
    key = "value",
    [35] = 35,
}

Example from 1 languages: Elixir

%{key: "value"}

Example from 1 languages: MoonBit

let map : Map[String, Int] = { "x": 1, "y": 2, "z": 3 }

Example from 1 languages: Wax

(let m (map str int) (alloc (map str int)))

(set m "xyz" 123)

(insert m "abc" 456) ; exactly same as 'set'

(print (get m "xyz"))

(remove m "xyz")

(print (get m "xyz"))
;^ if a value is not there, the "zero" value of the element type is returned
; for numbers, 0; for compound types, null.

Example from 1 languages: Jule

let my_map: [int:str] = {
    0: "Key 0",
    1: "Key 1",
    2: "Key 2",
}

Example from 1 languages: Speedie

|| x = ["a":"Apple", "b":"Bird", "c":"Cat"]
printline x["b"] // Bird

Languages with Maps include JSON, Lua, Elixir, EDN, MoonBit, Wax, Jule, Speedie

View all concepts with or missing a hasMaps measurement