package bytes

import (
	"git.codemonkeysoftware.net/b/gigaparsec"
)

func Token[Out, WSOut any](whitespace gigaparsec.Parser[byte, WSOut]) func(p gigaparsec.Parser[byte, Out]) gigaparsec.Parser[byte, Out] {
	mappedWS := gigaparsec.Map(whitespace, func(WSOut) struct{} { return struct{}{} })
	var ignoreWS gigaparsec.Parser[byte, struct{}] = func(s gigaparsec.State[byte]) (gigaparsec.Result[byte, struct{}], error) {
		result, err := mappedWS(s)
		return result.Consume(false), err
	}
	return func(p gigaparsec.Parser[byte, Out]) gigaparsec.Parser[byte, Out] {
		return gigaparsec.Seq2(p, gigaparsec.Repeat(0, ignoreWS), func(val Out, _ []struct{}) Out { return val })
	}
}