Macro miden_core::assert_matches

macro_rules! assert_matches {
    ($left:expr, $(|)? $( $pattern:pat_param )|+ $( if $guard: expr )? $(,)?) => { ... };
    ($left:expr, $(|)? $( $pattern:pat_param )|+ $( if $guard: expr )?, $msg:literal $(,)?) => { ... };
    ($left:expr, $(|)? $( $pattern:pat_param )|+ $( if $guard: expr )?, $msg:literal, $($arg:tt)+) => { ... };
}

This is an implementation of std::assert_matches::assert_matches so it can be removed when that feature stabilizes upstream