Macro dilib::get_singleton_trait

macro_rules! get_singleton_trait {
    ($container:ident, $trait_type:ident $(<$($generic:ident),+>)?) => { ... };
    ($container:ident, $trait_type:ident $(<$($generic:ident),+>)?, $name:literal) => { ... };
}

Helper macro to get the implementation of a trait in a Container as a singleton.

Usage

get_singleton_trait!(container, trait, name)

• container: the container to get the implementation of the trait.
• trait: the trait to get the implementation from.
• name: optional name of the implementation.