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akouryy/loop_macros.cpp

Created December 14, 2014 01:47
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loop_macros.cpp
#define times(n, i) for(auto i = remove_reference<decltype( (n) )>::type(0); i < (n); i++)
#define upto(f, t, i) for(auto i = remove_reference<decltype((t)-(f))>::type(f); i <= (t); i++)
#define downto(f, t, i) for(auto i = remove_reference<decltype((t)-(f))>::type(f); i >= (t); i--)
#define uptil(f, t, i) for(auto i = remove_reference<decltype((t)-(f))>::type(f); i < (t); i++)
#define downtil(f, t, i) for(auto i = remove_reference<decltype((t)-(f))>::type(f); i > (t); i--)
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