pub trait Join<Separator> {
    type Output;
    fn join(slice: &Self, sep: Separator) -> Self::Output;
}
🔬 This is a nightly-only experimental API. (
slice_concat_trait #27747)
 Expand description
🔬 This is a nightly-only experimental API. (
slice_concat_trait #27747)
 The resulting type after concatenation
🔬 This is a nightly-only experimental API. (
slice_concat_trait #27747)