diff options
Diffstat (limited to 'src/brussel.common/YCombinator.hpp')
-rw-r--r-- | src/brussel.common/YCombinator.hpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/brussel.common/YCombinator.hpp b/src/brussel.common/YCombinator.hpp new file mode 100644 index 0000000..2da06c8 --- /dev/null +++ b/src/brussel.common/YCombinator.hpp @@ -0,0 +1,14 @@ +#pragma once + +template <typename Func> +struct YCombinator { + // NOTE: implicit constructor allows initializing this + Func func; + + template <typename... Ts> + decltype(auto) operator()(Ts&&... args) const { + // NOTE: static_cast<Ts>(args)... is equivalent to std::forward<Ts>(args)... + // written this way so that we don't have to include <utility>, as well as reducing template instanciations to help compile time + return func(*this, static_cast<Ts>(args)...); + } +}; |