Color,ColorPair: always pass by copy

1 files changed, 4 insertions, 5 deletions

diff --git a/src/color.hh b/src/color.hh
index 9cc5abf5..16e6b678 100644
--- a/src/color.hh
+++ b/src/color.hh
@@ -34,21 +34,20 @@ struct Color
     Color(unsigned char r, unsigned char g, unsigned char b)
         : color{Colors::RGB}, r{r}, g{g}, b{b} {}
 
-    bool operator==(const Color& c) const
+    bool operator==(Color c) const
     { return color == c.color and r == c.r and g == c.g and b == c.b; }
-    bool operator!=(const Color& c) const
+    bool operator!=(Color c) const
     { return color != c.color or r != c.r or g != c.g or b != c.b; }
 };
 
 using ColorPair = std::pair<Color, Color>;
 
 Color str_to_color(const String& color);
-String color_to_str(const Color& color);
+String color_to_str(Color color);
 
-String option_to_string(const Color& color);
+String option_to_string(Color color);
 void option_from_string(const String& str, Color& color);
 
 }
 
 #endif // color_hh_INCLUDED
-