chain()
constchain: <A,B>(f) => (ma) =>Option<B> =flatMap
Alias for flatMap.
Chains a function that returns an Option over the value.
Type Parameters
A: A
The input type.
B: B
The output type.
Parameters
f: (a) => Option<B>
The chaining function.
Returns
A function that transforms the Option.
Since
2.0.0