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//===--- lambda_fwd_decl.cc - test input file for iwyu --------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// IWYU_ARGS: -std=c++11
// This test ensures that we do not add forward-declarations for lambdas.
// The use of the lambda in add() registers as a use of the generated anonymous
// functor type. Since it's defined in the same file, IWYU thinks a forward-decl
// at the top would be useful.
//
// All this is obviously unnecessary -- lambdas have no name and all
// lambda declarations are definitions, visible at point of use.
template<class F>
int eval(F f, int arg) {
return f(arg);
}
int add(int value, int addend) {
return eval([&](int v) { return v + addend; },
value);
}
/**** IWYU_SUMMARY
(tests/cxx/lambda_fwd_decl.cc has correct #includes/fwd-decls)
***** IWYU_SUMMARY */
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