peisongxiao/yaml-cpp
1
0
Fork 0
mirror of https://github.com/jbeder/yaml-cpp.git synced 2025-09-10 21:11:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added (unspecified-type) bool conversions for Node (new API)

Browse Source
This commit is contained in:
Jesse Beder
2011-11-13 16:05:42 -06:00
parent d78d16532a
commit 5abfbf5aac
4 changed files with 48 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
include/yaml-cpp/node/detail/bool_type.h Normal file
View File

@@ -0,0 +1,26 @@
#ifndef NODE_DETAIL_BOOL_TYPE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODE_DETAIL_BOOL_TYPE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif
namespace YAML
{
namespace detail
{
struct unspecified_bool {
struct NOT_ALLOWED;
static void true_value(NOT_ALLOWED*) {}
};
typedef void (*unspecified_bool_type)(unspecified_bool::NOT_ALLOWED*);
}
}
#define YAML_CPP_OPERATOR_BOOL()\
operator YAML::detail::unspecified_bool_type() const\
{\
return this->operator!() ? 0 : &YAML::detail::unspecified_bool::true_value;\
}
#endif // NODE_DETAIL_BOOL_TYPE_H_62B23520_7C8E_11DE_8A39_0800200C9A66