util/GenerateArray: use double curly braces for compatibility

7e80c62c · Max Kellermann · 4038d852 · 7e80c62c
Commit 7e80c62c authored Jan 14, 2020 by Max Kellermann
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GenerateArray.hxx src/util/GenerateArray.hxx +4 -1

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--- a/src/util/GenerateArray.hxx
+++ b/src/util/GenerateArray.hxx
@@ -39,7 +39,10 @@ _GenerateArray(F &&f, std::index_sequence<I...>) noexcept
 {
 	using T = decltype(f(0));

-	return std::array<T, N>{f(I)...};
+	/* double curly braces for compatibility with older compilers
+	   which are not 100% C++17 compliant (e.g. Apple xcode
+	   9.4) */
+	return std::array<T, N>{{f(I)...}};
 }

 /**