macro_rules! inst_set {
    ($(#[$outer:meta])* $vis:vis $name:ident { $( $inst:ident => $func:expr,)+ }) => { ... };
    ($(#[$outer:meta])* $vis:vis $name:ident $using:item { $( $inst:ident => $func:expr,)+ }) => { ... };
}
Expand description

Macro to generate an instruction set

For an example, go to this file