lib.lists.optionals

Return a list or an empty list, depending on a boolean value.

Inputs

cond

Condition

elems

List to return if condition is true

Type

optionals :: bool -> [a] -> [a]

Examples

optionals true [ 2 3 ]
=> [ 2 3 ]
optionals false [ 2 3 ]
=> [ ]

Noogle detected

• lib.optionals

optionals =
    cond:
    elems: if cond then elems else [];