From 33e863cfc87105ea15c0d5f7c94380a553d84be7 Mon Sep 17 00:00:00 2001 From: Douglas Gregor Date: Wed, 15 Feb 2012 22:08:38 +0000 Subject: Lambda closure types have a conversion function to a block pointer with the same parameter types and return type as the function call operator. This is the real answer to http://stackoverflow.com/questions/4148242/is-it-possible-to-convert-a-c0x-lambda-to-a-clang-block :) llvm-svn: 150620 --- clang/test/CXX/expr/expr.prim/expr.prim.lambda/blocks.cpp | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'clang/test/CXX/expr/expr.prim/expr.prim.lambda') diff --git a/clang/test/CXX/expr/expr.prim/expr.prim.lambda/blocks.cpp b/clang/test/CXX/expr/expr.prim/expr.prim.lambda/blocks.cpp index ba2b70e4c3d..0806828c83e 100644 --- a/clang/test/CXX/expr/expr.prim/expr.prim.lambda/blocks.cpp +++ b/clang/test/CXX/expr/expr.prim/expr.prim.lambda/blocks.cpp @@ -6,3 +6,10 @@ void block_capture_errors() { (void)[=] { var = 17; }; // expected-error{{__block variable 'var' cannot be captured in a lambda}} } + +void conversion_to_block(int captured) { + int (^b1)(int) = [=](int x) { return x + captured; }; + + const auto lambda = [=](int x) { return x + captured; }; + int (^b2)(int) = lambda; +} -- cgit v1.2.3