and_then¶
In std/result.
fn and_then<U>(self, by: T -> Result<U, E>) : Result<U, E>
by applied to the value of a success, its own failure kept; a failure
is kept as it is: ok(4) | and_then(n => ok(n * 2)) is ok(8).
and_then¶In std/result.
fn and_then<U>(self, by: T -> Result<U, E>) : Result<U, E>
by applied to the value of a success, its own failure kept; a failure
is kept as it is: ok(4) | and_then(n => ok(n * 2)) is ok(8).