package token

import (
	"bytes"
)

// List is a slice of tokens.
type List []Token

// String implements string serialization.
func (list List) String() string {
	builder := bytes.Buffer{}
	var last Token

	for _, t := range list {
		if last.Kind == Keyword || last.Kind == Separator || last.Kind == Define || t.Kind == Define {
			builder.WriteByte(' ')
		}

		builder.Write(t.Bytes)
		last = t
	}

	return builder.String()
}