@map

Transform each element of an array by applying a helper.

Returns: array

Syntax

@map(arr fn)

Arguments

Name	Type	Description
arr	array	Source array
fn	helper	Transform helper applied to each element

Examples

# Double each element
def @double "$n: number -> number" @num($n * 2)
set $nums [1 2 3]
set $doubled @map($nums @double)

See Also

• @filter — keep elements by predicate
• @reduce — fold an array to a single value
• loop — imperative iteration