Macro cucumber_rust::steps

macro_rules! steps {
    (
        @step_type given
    ) => { ... };
    (
        @step_type when
    ) => { ... };
    (
        @step_type then
    ) => { ... };
    (
        @parse_matches $worldtype:path, ($($arg_type:ty),*) $body:expr
    ) => { ... };
    (
        @gather_steps, $worldtype:path, $tests:tt,
        $ty:ident regex $name:tt $body:expr;
    ) => { ... };
    (
        @gather_steps, $worldtype:path, $tests:tt,
        $ty:ident regex $name:tt $body:expr; $( $items:tt )*
    ) => { ... };
    (
        @gather_steps, $worldtype:path, $tests:tt,
        $ty:ident regex $name:tt ($($arg_type:ty),*) $body:expr;
    ) => { ... };
    (
        @gather_steps, $worldtype:path, $tests:tt,
        $ty:ident regex $name:tt ($($arg_type:ty),*) $body:expr; $( $items:tt )*
    ) => { ... };
    (
        @gather_steps, $worldtype:path, $tests:tt,
        $ty:ident $name:tt $body:expr;
    ) => { ... };
    (
        @gather_steps, $worldtype:path, $tests:tt,
        $ty:ident $name:tt $body:expr; $( $items:tt )*
    ) => { ... };
    (
        $worldtype:path => { $( $items:tt )* }
    ) => { ... };
}