complement.hpp
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22 
27 #pragma once
28 
29 #include <utility>
30 #include <atria/meta/utils.hpp>
33 
34 namespace atria {
35 namespace prelude {
36 
37 template <typename FnT>
39 {
40  FnT fn;
41 
42  template <typename... ArgTs>
43  auto operator() (ArgTs&& ...args)
45  !estd::invoke(fn, std::forward<ArgTs>(args)...))
46 };
47 
54 template <typename FnT>
55 auto complement(FnT&& fn)
57 {
58  return { std::forward<FnT>(fn) };
59 }
60 
61 } // namespace prelude
62 
65 
66 } // namespace atria
#define ABL_DECLTYPE_RETURN(body_expr)
Utility for defining generic functions with a deduced return type, that are composed of a single expr...
Definition: utils.hpp:109
C++ amazing templates and reusable implementations awesomeness.
Definition: _doc.hpp:35
auto complement(FnT &&fn) -> complement_t< estd::decay_t< FnT > >
Similar to clojure.core/complement$1.
Definition: complement.hpp:55
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