Reorganized file structure

src/token/List.go

@@ -1,25 +0,0 @@
-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 t.Kind == Identifier && last.Kind == Separator {
-			builder.WriteByte(' ')
-		}
-
-		builder.Write(t.Bytes)
-		last = t
-	}
-
-	return builder.String()
-}