operator== is always const

stepmania/src/PlayerOptions.cpp

@@ -469,7 +469,7 @@ float PlayerOptions::GetReversePercentForColumn( int iCol )
 	return f;
 }
 
-bool PlayerOptions::operator==( const PlayerOptions &other )
+bool PlayerOptions::operator==( const PlayerOptions &other ) const
 {
 #define COMPARE(x) { if( x != other.x ) return false; }
 	COMPARE(m_bTimeSpacing);

stepmania/src/PlayerOptions.h

@@ -20,8 +20,8 @@ struct PlayerOptions
 	void FromString( CString sOptions );
 	void ChooseRandomMofifiers();
 
-	bool operator==( const PlayerOptions &other );
-	bool operator!=( const PlayerOptions &other ) { return !operator==(other); }
+	bool operator==( const PlayerOptions &other ) const;
+	bool operator!=( const PlayerOptions &other ) const { return !operator==(other); }
 
 
 	enum Accel {

stepmania/src/SongOptions.cpp

@@ -126,7 +126,7 @@ void SongOptions::FromString( CString sOptions )
 	}
 }
 
-bool SongOptions::operator==( const SongOptions &other )
+bool SongOptions::operator==( const SongOptions &other ) const
 {
 #define COMPARE(x) { if( x != other.x ) return false; }
 	COMPARE( m_LifeType );

stepmania/src/SongOptions.h

@@ -30,8 +30,8 @@ struct SongOptions
 	CString GetString() const;
 	void FromString( CString sOptions );
 
-	bool operator==( const SongOptions &other );
-	bool operator!=( const SongOptions &other ) { return !operator==(other); }
+	bool operator==( const SongOptions &other ) const;
+	bool operator!=( const SongOptions &other ) const { return !operator==(other); }
 };
 
 #endif