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* doc/invoke.texi: Document -std=c++17 and -std=gnu++17 and document
[official-gcc.git]
/
gcc
/
testsuite
/
g++.dg
/
concepts
/
pr68434.C
blob
19ce383246a00a26ecae888ff48c837636385491
1
// { dg-options "-std=c++17 -fconcepts" }
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template <class>
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concept bool C1 () {
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return true;
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}
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template <class>
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concept bool C2 () {
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return true;
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}
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template <class Expr>
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concept bool C3 () {
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return requires (Expr expr) {
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{expr}->C1;
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{expr}->C2;
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};
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}
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auto f (C3);