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#[doc(hidden)]
#[macro_export]
macro_rules! family {
( @$family:expr, ) => {};
( @$family:expr, $head:ident, $( $tail:ident, )* ) => {
impl $crate::FamilyMember for $head {
fn family() -> $crate::Family {
$family
}
}
family!(@$family + 1, $( $tail, )*);
};
( $( $T:ident ),+ ) => {
family!(@0, $( $T, )+ );
};
}
#[macro_export]
macro_rules! components {
( $( $T:ident ), + ) => {
family!( $( $T ), +);
}
}
#[macro_export]
macro_rules! events {
( $( $T:ident ),+ ) => {
family!(@1, $( $T, )+ );
}
}