break!: remove Emitter::pop_token, use Iterator instead

1 files changed, 8 insertions, 6 deletions

diff --git a/src/default_emitter.rs b/src/default_emitter.rs
index 9d5ab52..7ef96ec 100644
--- a/src/default_emitter.rs
+++ b/src/default_emitter.rs
@@ -33,9 +33,15 @@ impl<O> Default for DefaultEmitter<O> {
     }
 }
 
-impl<O: Offset> Emitter<O> for DefaultEmitter<O> {
-    type Token = Token<O>;
+impl<O> Iterator for DefaultEmitter<O> {
+    type Item = Token<O>;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        self.emitted_tokens.pop_back()
+    }
+}
 
+impl<O: Offset> Emitter<O> for DefaultEmitter<O> {
     fn emit_eof(&mut self) {
         self.flush_current_characters();
     }
@@ -44,10 +50,6 @@ impl<O: Offset> Emitter<O> for DefaultEmitter<O> {
         self.push_error(error, span);
     }
 
-    fn pop_token(&mut self) -> Option<Self::Token> {
-        self.emitted_tokens.pop_back()
-    }
-
     fn emit_string(&mut self, s: &str) {
         self.current_characters.push_str(s);
     }