arrow-core-data / arrow.core / Option / flatMap

flatMap

fun <B> flatMap(f: (A) -> <ERROR CLASS><B>): Option<B>

Returns the result of applying $f to this $option’s value if this $option is nonempty. Returns $none if this $option is empty. Slightly different from map in that $f is expected to return an $option (which could be $none).

Parameters

f - the function to apply

See Also

map

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