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search for tx in mempool added

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moneroexamples 2016-04-24 09:11:08 +08:00
parent e376b87cfb
commit 9e102ad401
3 changed files with 189 additions and 32 deletions
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36
ext/member_checker.h Normal file
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#ifndef MEMBER_CHECKER_H
#define MEMBER_CHECKER_H
#define DEFINE_MEMBER_CHECKER(member) \
template<typename T, typename V = bool> \
struct has_ ## member : false_type { }; \
\
template<typename T> \
struct has_ ## member<T, \
typename enable_if< \
!is_same<decltype(declval<T>().member), void>::value, \
bool \
>::type \
> : true_type { };
#define HAS_MEMBER(C, member) \
has_ ## member<C>::value
// first getter if the member veriable is present, so we return its value
// second getter, when the member is not present, so we return empty value, e.g., empty string
#define DEFINE_MEMBER_GETTER(member, ret_value) \
template<typename T> \
typename enable_if<HAS_MEMBER(T, member), ret_value>::type \
get_ ## member (T t){ \
return t.member; \
} \
\
template<typename T> \
typename enable_if<!HAS_MEMBER(T, member), ret_value>::type \
get_ ## member (T t){ \
return ret_value(); \
}
#endif // MEMBER_CHECKER_H