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fix get

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This commit is contained in:
Daumantas Kavolis
2019-09-24 10:53:55 +01:00
committed by Victor Zverovich
parent ccc8f5db02
commit f6a783ad2e
1 changed files with 4 additions and 3 deletions
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7
include/fmt/compile.h
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@@ -331,11 +331,12 @@ template <typename... Args> struct type_list {};
// Returns a reference to the argument at index N from [first, rest...]. // Returns a reference to the argument at index N from [first, rest...].
template <int N, typename T, typename... Args> template <int N, typename T, typename... Args>
const auto& get(const T& first, const Args&... rest) { constexpr const auto& get(const T& first, const Args&... rest) {
if constexpr (sizeof...(Args) == 0) static_assert(N < 1 + sizeof...(Args), "index is out of bounds");
if constexpr (N == 0)
return first; return first;
else else
return get(rest...); return get<N - 1>(rest...);
} }
template <int N, typename> struct get_type_impl; template <int N, typename> struct get_type_impl;