Macro glib_shared_wrapper

macro_rules! glib_shared_wrapper {
    ([$($attr:meta)*] $visibility:vis $name:ident $(<$($generic:ident $(: $bound:tt $(+ $bound2:tt)*)?),+>)?, $ffi_name:ty,
     @ref $ref_arg:ident $ref_expr:expr, @unref $unref_arg:ident $unref_expr:expr
     $(, @type_ $get_type_expr:expr)?) => { ... };
    (@generic_impl [$($attr:meta)*] $visibility:vis $name:ident $(<$($generic:ident $(: $bound:tt $(+ $bound2:tt)*)?),+>)?, $ffi_name:ty,
     @ref $ref_arg:ident $ref_expr:expr, @unref $unref_arg:ident $unref_expr:expr) => { ... };
    (@value_impl $name:ident $(<$($generic:ident $(: $bound:tt $(+ $bound2:tt)*)?),+>)?, $ffi_name:ty) => { ... };
    (@value_impl $name:ident $(<$($generic:ident $(: $bound:tt $(+ $bound2:tt)*)?),+>)?, $ffi_name:ty, @type_ $get_type_expr:expr) => { ... };
}

Wrapper implementations for shared types. See wrapper!.