1 files changed, 6 insertions, 2 deletions
diff --git a/minicc.h b/minicc.h
index 92678a1..28b494a 100644
--- a/minicc.h
+++ b/minicc.h
@@ -1,3 +1,5 @@
+// Common definitions
+
 #pragma once
 
 #include <cstdlib>
@@ -19,8 +21,8 @@ struct Location {
  size_t column{1};
  size_t pos{0};
 
- void advance(bool newline = false);
- std::string toString();
+ void advance(bool newline = false); ///< advance 1 char
+ std::string toString() const;
 };
 
 bool operator==(const Location &a, const Location &b);
@@ -29,6 +31,8 @@ struct Token {
  std::string type;
  std::string value;
  Location location;
+
+ std::string toString() const;
 };
 
 // For printing via Google Test