1// RUN: %clang_cc1 -fsyntax-only -verify %s -fblocks 2// expected-no-diagnostics 3template<typename T> 4struct is_unary_block { 5 static const bool value = false; 6}; 7 8template<typename T, typename U> 9struct is_unary_block<T (^)(U)> { 10 static const bool value = true; 11}; 12 13int is_unary_block0[is_unary_block<int>::value ? -1 : 1]; 14int is_unary_block1[is_unary_block<int (^)()>::value ? -1 : 1]; 15int is_unary_block2[is_unary_block<int (^)(int, bool)>::value ? -1 : 1]; 16int is_unary_block3[is_unary_block<int (^)(bool)>::value ? 1 : -1]; 17int is_unary_block4[is_unary_block<int (^)(int)>::value ? 1 : -1]; 18 19template<typename T> 20struct is_unary_block_with_same_return_type_as_argument_type { 21 static const bool value = false; 22}; 23 24template<typename T> 25struct is_unary_block_with_same_return_type_as_argument_type<T (^)(T)> { 26 static const bool value = true; 27}; 28 29int is_unary_block5[is_unary_block_with_same_return_type_as_argument_type<int>::value ? -1 : 1]; 30int is_unary_block6[is_unary_block_with_same_return_type_as_argument_type<int (^)()>::value ? -1 : 1]; 31int is_unary_block7[is_unary_block_with_same_return_type_as_argument_type<int (^)(int, bool)>::value ? -1 : 1]; 32int is_unary_block8[is_unary_block_with_same_return_type_as_argument_type<int (^)(bool)>::value ? -1 : 1]; 33int is_unary_block9[is_unary_block_with_same_return_type_as_argument_type<int (^)(int)>::value ? 1 : -1]; 34int is_unary_block10[is_unary_block_with_same_return_type_as_argument_type<int (^)(int, ...)>::value ? -1 : 1]; 35int is_unary_block11[is_unary_block_with_same_return_type_as_argument_type<int (^ const)(int)>::value ? -1 : 1]; 36