27 #ifndef MLN_LITERAL_GRAYS_HH
28 # define MLN_LITERAL_GRAYS_HH
35 # include <mln/core/concept/literal.hh>
51 struct medium_gray_t :
public Literal<medium_gray_t>
58 struct dark_gray_t :
public Literal<dark_gray_t>
74 # ifndef MLN_INCLUDE_ONLY
76 # ifndef MLN_WO_GLOBAL_VARS
84 # endif // ! MLN_WO_GLOBAL_VARS
87 light_gray_t::light_gray_t()
92 medium_gray_t::medium_gray_t()
97 dark_gray_t::dark_gray_t()
101 # endif // !MLN_INCLUDE_ONLY
108 # include <mln/literal/white.hh>
109 # include <mln/literal/black.hh>
111 #endif // ! MLN_LITERAL_GRAYS_HH