splice method
Implementation
Parser<Cons> splice() => seq2(
char('@'),
ref0(list),
).map2((_, list) => Cons(Name('unquote-splicing'), Cons(list, null)));
Parser<Cons> splice() => seq2(
char('@'),
ref0(list),
).map2((_, list) => Cons(Name('unquote-splicing'), Cons(list, null)));