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pipelined

map

map<A, B>(f): (data) => Maybe<B>

Defined in: Core/Maybe.ts:118

Transforms the value inside a Maybe if it exists.

Type Parameters

Section titled “Type Parameters”

A

Section titled “A”

A

B

Section titled “B”

B

Parameters

Section titled “Parameters”

f

Section titled “f”

(a) => B

Returns

Section titled “Returns”

(data): Maybe<B>

Parameters

Section titled “Parameters”

data

Section titled “data”

Maybe<A>

Returns

Section titled “Returns”

Maybe<B>

Example

Section titled “Example”
pipe(Maybe.some(5), Maybe.map(n => n * 2)); // Some(10)
pipe(Maybe.none(), Maybe.map(n => n * 2)); // None