aboutsummaryrefslogtreecommitdiff
path: root/src/function/apply.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/function/apply.h')
-rw-r--r--src/function/apply.h26
1 files changed, 18 insertions, 8 deletions
diff --git a/src/function/apply.h b/src/function/apply.h
index 21364a8..5a2105c 100644
--- a/src/function/apply.h
+++ b/src/function/apply.h
@@ -1,7 +1,8 @@
#ifndef TYPEASVALUE_SRC_FUNCTION_APPLY_H_
#define TYPEASVALUE_SRC_FUNCTION_APPLY_H_
-#include "conditional/if.h"
+#include "operation/math.h"
+#include "conditional/cond.h"
#include "detail/apply.h"
@@ -16,14 +17,23 @@ template <
template<typename...> class Function,
typename... Arguments
>
-struct Apply : If<
- (detail::count_placeholders<Arguments...>::type::value > 2),
- detail::apply_variadic<Function, Arguments...>,
- typename If<
- detail::count_placeholders<Arguments...>::type::value == 2,
- detail::apply_pair<Function, Arguments...>,
+struct Apply : Cond<
+ Pair<
+ GreaterThan<typename detail::count_placeholders<Arguments...>::type, Size<2>>,
+ detail::apply_variadic<Function, Arguments...>
+ >,
+ Pair<
+ IsEqualValue<typename detail::count_placeholders<Arguments...>::type, Size<2>>,
+ detail::apply_pair<Function, Arguments...>
+ >,
+ Pair<
+ IsEqualValue<typename detail::count_placeholders<Arguments...>::type, Size<1>>,
detail::apply_single<Function, Arguments...>
- >::type
+ >,
+ Pair<
+ Boolean<true>,
+ detail::apply_none<Function, Arguments...>
+ >
>::type { };
}