usecrate::alloc::Allocator;usecrate::error::Error;/// Helper trait for joining iterators.
pubtraitTryJoin<S, T, A: Allocator>: Sized {/// Try to join the given value in the given allocator.
fntry_join_in<I>(iter: I, sep: S, alloc: A)->Result<Self, Error>where
I:IntoIterator<Item = T>;
}