NQP operators
- postcircumfix: .[] .{} .<> .()
- increment: ++ --
- unary: + - ~ ? !
- multiplicative: * / %
- additive: + -
- concatenation: ~
- comparison: == != < <= > >= eq ne lt le gt ge =:=
- tight logical: &&
- ternary: ??!!
- binding: :=
- list: ,
- loose logical: and or
- list/hash context: @() %()