32cb4b2c6d
[P0615R0](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0615r0.html) changed the term "decomposition" to "structured binding". Some diagnostic messages were created before this paper. These messages should be updated using "structured binding" to avoid making users confused. Closes #157880 --------- Co-authored-by: foxfromabyss <foxfromabyss@foxfromabyss.com> Co-authored-by: Sirraide <aeternalmail@gmail.com>
34 lines
1022 B
C++
34 lines
1022 B
C++
// RUN: not %clang_cc1 -std=c++20 -fdiagnostics-parseable-fixits -x c++ %s 2> %t
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// RUN: FileCheck %s < %t
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template<typename T>
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concept UnaryC = true;
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template<typename T, typename U>
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concept BinaryC = true;
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struct S{ int i, j; };
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S get_S();
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template<typename T>
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T get_T();
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void use() {
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UnaryC auto [a, b] = get_S();
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// CHECK: error: structured binding declaration cannot be declared with constrained 'auto'
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// CHECK: fix-it:{{.*}}:{16:3-16:10}:""
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BinaryC<int> auto [c, d] = get_S();
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// CHECK: error: structured binding declaration cannot be declared with constrained 'auto'
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// CHECK: fix-it:{{.*}}:{19:3-19:16}:""
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}
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template<typename T>
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void TemplUse() {
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UnaryC auto [a, b] = get_T<T>();
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// CHECK: error: structured binding declaration cannot be declared with constrained 'auto'
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// XCHECK: fix-it:{{.*}}:{26:3-26:10}:""
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BinaryC<T> auto [c, d] = get_T<T>();
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// CHECK: error: structured binding declaration cannot be declared with constrained 'auto'
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// XCHECK: fix-it:{{.*}}:{29:3-29:14}:""
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}
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