Macro wayland_client::client_declare_handler

macro_rules! client_declare_handler {
    ($handler_struct: ident <$($tyarg:ident : [$($trait: ident $(<$($traitarg:ty),*>)*),*]),*>, $handler_trait: path, $handled_type: ty) => { ... };
    ($handler_struct: ident, $handler_trait: path, $handled_type: ty) => { ... };
}

Synonym of the declare_handler! macro

This more distinctive can be used for projects that need to use both the client-side and server-side macros.