35 lines
1.7 KiB
C++
35 lines
1.7 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
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// expected-no-diagnostics
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template<template<template<typename> class, typename> class T, template<typename> class V> struct PartialApply {
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template<typename W> using R = T<V, W>;
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};
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template<typename T> using Id = T;
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template<template<typename> class, typename X> using Zero = X;
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template<template<template<typename> class, typename> class N, template<typename> class F, typename X> using Succ = F<N<F,X>>;
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template<template<typename> class F, typename X> using One = Succ<Zero, F, X>;
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template<template<typename> class F, typename X> using Two = Succ<One, F, X>;
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template<template<template<typename> class, typename> class A,
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template<template<typename> class, typename> class B,
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template<typename> class F,
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typename X> using Add = A<F, B<F, X>>;
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template<template<template<typename> class, typename> class A,
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template<template<typename> class, typename> class B,
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template<typename> class F,
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typename X> using Mul = A<PartialApply<B,F>::template R, X>;
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template<template<typename> class F, typename X> using Four = Add<Two, Two, F, X>;
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template<template<typename> class F, typename X> using Sixteen = Mul<Four, Four, F, X>;
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template<template<typename> class F, typename X> using TwoHundredAndFiftySix = Mul<Sixteen, Sixteen, F, X>;
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template<typename T, T N> struct Const { static const T value = N; };
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template<typename A> struct IncrementHelper;
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template<typename T, T N> struct IncrementHelper<Const<T, N>> { using Result = Const<T, N+1>; };
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template<typename A> using Increment = typename IncrementHelper<A>::Result;
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using Arr = int[TwoHundredAndFiftySix<Increment, Const<int, 0>>::value];
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using Arr = int[256];
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