Macro simulacrum_macros::create_mock

macro_rules! create_mock {
    (@create_mock_struct($mock_name:ident, ()) -> ($($result:tt)*)) => { ... };
    (@create_mock_struct
        ($mock_name:ident, (
            $expect_name:ident($key:expr):
            fn $method_name:ident $sig:tt;
            $($tail:tt)*
        )) -> ($($result:tt)*)
    ) => { ... };
    (@create_mock_struct
        ($mock_name:ident, (
            $expect_name:ident($key:expr):
            fn $method_name:ident $sig:tt -> $output:ty;
            $($tail:tt)*
        )) -> ($($result:tt)*)
    ) => { ... };
    (@create_mock_struct
        ($mock_name:ident, (
            $expect_name:ident($key:expr):
            unsafe fn $method_name:ident $sig:tt;
            $($tail:tt)*
        )) -> ($($result:tt)*)
    ) => { ... };
    (@create_mock_struct
        ($mock_name:ident, (
            $expect_name:ident($key:expr):
            unsafe fn $method_name:ident $sig:tt -> $output:ty;
            $($tail:tt)*
        )) -> ($($result:tt)*)
    ) => { ... };
    (@create_stub_methods ($self_:ident)) => { ... };
    (@create_stub_methods ($self_:ident)
        $expect_name:ident($key:expr):
        fn $method_name:ident $sig:tt;
        $($tail:tt)*
    ) => { ... };
    (@create_stub_methods ($self_:ident)
        $expect_name:ident($key:expr):
        fn $method_name:ident $sig:tt -> $output:ty;
        $($tail:tt)*
    ) => { ... };
    (@create_stub_methods ($self_:ident)
        $expect_name:ident($key:expr):
        unsafe fn $method_name:ident $sig:tt;
        $($tail:tt)*
    ) => { ... };
    (@create_stub_methods ($self_:ident)
        $expect_name:ident($key:expr):
        unsafe fn $method_name:ident $sig:tt -> $output:ty;
        $($tail:tt)*
    ) => { ... };
    (impl $trait_name:ident for $mock_name:ident ($self_:ident) {
        $($method_info:tt)*
    }) => { ... };
}