code compiles

lexer.go

@@ -21,7 +21,7 @@ func lex(name, input string) *lexer {
 	l := &lexer{
 		name:  name,
 		input: input,
-		state: lexText
+		state: lexText,
 		items: make(chan item, 2),
 	}
 	go l.run()
@@ -39,8 +39,6 @@ func (l *lexer) nextItem() item {
 	}
 }
 
-func (l *lexer) state(
-
 func (l *lexer) ignore() {
 	l.start = l.pos
 }
@@ -52,6 +50,7 @@ func (l *lexer) backup() {
 type lexer struct {
 	name, input       string
 	start, pos, width int
+	state             stateFn
 	items             chan item
 }
 
@@ -88,8 +87,13 @@ func (l *lexer) errorf(format string, args ...interface{}) stateFn {
 	return nil
 }
 
-func lexFragment (l *lexer) stateFn
-func lexAlias (l *lexer) stateFn
+func lexFragment(l *lexer) stateFn {
+	return l.errorf("lexFragment not implemented")
+}
+
+func lexAlias(l *lexer) stateFn {
+	return l.errorf("lexAlias not implemented")
+}
 
 func lexInsideLink(l *lexer) stateFn {
 	for {
@@ -103,10 +107,9 @@ func lexInsideLink(l *lexer) stateFn {
 		case r == eof:
 		case r == '\n':
 			return l.errorf("unclosed link")
-		case r == "#":
-			next = l.peek()
+		case r == '#':
 			return lexFragment
-		case r == "|":
+		case r == '|':
 			return lexAlias
 		}
 	}