Macro __op_internal__ 

macro_rules! __op_internal__ {
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: cmp $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: sqr $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: sqrt $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: abs $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: cube $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: pow $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: min $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: max $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: log2 $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: gcd $($tail:tt)*) => { ... };
    (@stack[LParen, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: , $($tail:tt)*) => { ... };
    (@stack[$stack_top:ident, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: , $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: * $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: * $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: * $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: * $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: / $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: / $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: / $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: / $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: % $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: % $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: % $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: % $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: + $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: + $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: + $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: + $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: + $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: + $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: - $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: - $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: - $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: - $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: - $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: - $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: << $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: << $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: << $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: << $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: << $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: << $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: << $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: << $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >> $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >> $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >> $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >> $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >> $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >> $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >> $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >> $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: & $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: & $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: & $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: & $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: & $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: & $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: & $($tail:tt)*) => { ... };
    (@stack[And, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: & $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: & $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[And, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[Xor, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ^ $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[And, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[Xor, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[Or, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: | $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[And, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Xor, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Or, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Eq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[NotEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[LeEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[GrEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Le, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Gr, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: == $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[And, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Xor, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Or, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Eq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[NotEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[LeEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[GrEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Le, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Gr, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: != $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[And, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Xor, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Or, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Eq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[NotEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[LeEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[GrEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Le, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Gr, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: <= $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[And, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Xor, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Or, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Eq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[NotEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[LeEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[GrEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Le, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Gr, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: >= $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[And, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Xor, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Or, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Eq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[NotEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[LeEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[GrEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Le, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Gr, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: < $($tail:tt)*) => { ... };
    (@stack[Prod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Quot, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Mod, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Sum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Diff, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Shleft, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Shright, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[And, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Xor, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Or, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Eq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[NotEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[LeEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[GrEq, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Le, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[Gr, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: > $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: ( $($stuff:tt)* ) $($tail:tt)* ) => { ... };
    (@stack[LParen, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: RParen $($tail:tt)*) => { ... };
    (@stack[$stack_top:ident, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: RParen $($tail:tt)*) => { ... };
    (@rp3 @stack[Compare, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[Square, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[Sqrt, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[AbsVal, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[Cube, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[Exp, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[Minimum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[Maximum, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[Log2, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[Gcf, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@rp3 @stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $($tail:tt)*) => { ... };
    (@stack[$($stack:ident,)*] @queue[$($queue:ident,)*] @tail: $num:ident $($tail:tt)*) => { ... };
    (@stack[] @queue[$($queue:ident,)*] @tail: ) => { ... };
    (@stack[$stack_top:ident, $($stack:ident,)*] @queue[$($queue:ident,)*] @tail:) => { ... };
    (@reverse[$($revved:ident,)*] @input: $head:ident, $($tail:ident,)* ) => { ... };
    (@reverse[$($revved:ident,)*] @input: ) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Prod, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Quot, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Mod, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Sum, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Diff, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Shleft, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Shright, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[And, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Xor, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Or, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Eq, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[NotEq, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[LeEq, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[GrEq, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Le, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Gr, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Compare, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Exp, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Minimum, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Maximum, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $b:ty, $($stack:ty,)*] @input[Gcf, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $($stack:ty,)*] @input[Square, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $($stack:ty,)*] @input[Sqrt, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $($stack:ty,)*] @input[AbsVal, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $($stack:ty,)*] @input[Cube, $($tail:ident,)*]) => { ... };
    (@eval @stack[$a:ty, $($stack:ty,)*] @input[Log2, $($tail:ident,)*]) => { ... };
    (@eval @stack[$($stack:ty,)*] @input[$head:ident, $($tail:ident,)*]) => { ... };
    (@eval @stack[$stack:ty,] @input[]) => { ... };
    ($($tail:tt)* ) => { ... };
}