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filterMap()

filterMap<A, B>(f): (fa) => Option<B>

Maps and filters in one operation.

Type Parameters​

A: A​

The input type.

B: B​

The output type.

Parameters​

f: (a) => Option<B>​

The mapping function that returns an Option.

Returns​

A function that filterMaps the Option.

Since​

2.0.0