Trait if_empty::IfEmptyBorrowed

pub trait IfEmptyBorrowed {
    fn if_empty<'a>(&'a self, val: &'a Self) -> &'a Self;
}

For checking IfEmpty on borrowed objects

Required methods

fn if_empty<'a>(&'a self, val: &'a Self) -> &'a Self

Return val if self is empty

Implementations on Foreign Types

impl IfEmptyBorrowed for str

Implementation of IfEmptyBorrowed for str

fn if_empty<'a>(&'a self, input: &'a Self) -> &'a Self

Returns input if str::is_empty() returns true. Otherwise self is returned.

Implementors