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unique_ptr to/from variant

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Daniel Larimer 2015-04-01 17:24:33 -04:00
parent 257ac52b91
commit a0192d1081
1 changed files with 20 additions and 0 deletions
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20
include/fc/variant.hpp
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@ -41,6 +41,8 @@ namespace fc
void from_variant( const variant& var, blob& vo ); void from_variant( const variant& var, blob& vo );
template<typename T> void to_variant( const safe<T>& s, variant& v ); template<typename T> void to_variant( const safe<T>& s, variant& v );
template<typename T> void from_variant( const variant& v, safe<T>& s ); template<typename T> void from_variant( const variant& v, safe<T>& s );
template<typename T> void to_variant( const std::unique_ptr<T>& s, variant& v );
template<typename T> void from_variant( const variant& v, std::unique_ptr<T>& s );
template<typename... T> void to_variant( const static_variant<T...>& s, variant& v ); template<typename... T> void to_variant( const static_variant<T...>& s, variant& v );
template<typename... T> void from_variant( const variant& v, static_variant<T...>& s ); template<typename... T> void from_variant( const variant& v, static_variant<T...>& s );
@ -502,6 +504,23 @@ namespace fc
from_variant( var, *vo ); from_variant( var, *vo );
} }
} }
template<typename T>
void to_variant( const std::unique_ptr<T>& var, variant& vo )
{
if( var ) to_variant( *var, vo );
else vo = nullptr;
}
template<typename T>
void from_variant( const variant& var, std::unique_ptr<T>& vo )
{
if( var.is_null() ) vo.reset();
else if( vo ) from_variant( var, *vo );
else {
vo.reset( new T() );
from_variant( var, *vo );
}
}
template<typename T> template<typename T>
@ -510,6 +529,7 @@ namespace fc
template<typename T> template<typename T>
void from_variant( const variant& v, safe<T>& s ) { s.value = v.as_uint64(); } void from_variant( const variant& v, safe<T>& s ) { s.value = v.as_uint64(); }
variant operator + ( const variant& a, const variant& b ); variant operator + ( const variant& a, const variant& b );
variant operator - ( const variant& a, const variant& b ); variant operator - ( const variant& a, const variant& b );
variant operator * ( const variant& a, const variant& b ); variant operator * ( const variant& a, const variant& b );