Macro pocket_prover::tup_set

macro_rules! tup_set {
    ($f:ident, ($($x:ident),*)) => { ... };
    ($f:ident, $offset:expr, ($x0:ident)) => { ... };
    ($f:ident, $offset:expr, ($x0:ident, $($y:ident),*)) => { ... };
}

Helper macro for binding to a tuple pattern.