// derive_getters.mrs — auto-generate getter methods
// Demonstrates: struct pattern, variadic binding, spread iteration generating
//               impl methods with reference return types
macro derive_getters! {
    struct $name:ident { $($field:ident : $ty:ty),* } => {
        T~{
            impl $name {
                for field in $fields =>
                    pub fn $field.name(&self) -> &$field.ty { &self.$field.name }
            }
        }
    }
}