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refactor: add back unified init syntax conditional

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typenameTea
2024-09-19 22:14:24 +01:00
parent dc7909db4a
commit ae15fc54b2
1 changed files with 19 additions and 1 deletions
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20
include/boost/optional/optional.hpp
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@ -838,7 +838,7 @@ class optional
} }
#endif #endif
#ifndef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
// Assigns from a T (deep-moves/copies the rhs value) // Assigns from a T (deep-moves/copies the rhs value)
template <typename T_> template <typename T_>
@ -849,6 +849,24 @@ class optional
return *this ; return *this ;
} }
#else
// Assigns from a T (deep-copies the rhs value)
// Basic Guarantee: If T::( T const& ) throws, this is left UNINITIALIZED
optional& operator= ( argument_type val )
{
this->assign( val ) ;
return *this ;
}
// Assigns from a T (deep-moves the rhs value)
optional& operator= ( rval_reference_type val )
{
this->assign( boost::move(val) ) ;
return *this ;
}
#endif // BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
// Assigns from a "none" // Assigns from a "none"
// Which destroys the current value, if any, leaving this UNINITIALIZED // Which destroys the current value, if any, leaving this UNINITIALIZED