or_else¶
In std/result.
fn or_else<U>(self, by: E -> Result<T, U>) : Result<T, U>
by applied to the error of a failure, giving another result; a success
is kept as it is: err("x") | or_else(e => ok(e.size())) is ok(1).
or_else¶In std/result.
fn or_else<U>(self, by: E -> Result<T, U>) : Result<T, U>
by applied to the error of a failure, giving another result; a success
is kept as it is: err("x") | or_else(e => ok(e.size())) is ok(1).