Type Alias CowStr 

pub type CowStr<'a> = Cow<'a, str>;

String storage that can be either owned or borrowed This reduces clones when strings don’t need to be modified

Aliased Type

pub enum CowStr<'a> {
    Borrowed(&'a str),
    Owned(String),
}

Variants

Borrowed(&'a str)

Borrowed data.

Owned(String)

Owned data.