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adding comparison operators for optional

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Daniel Larimer 2015-01-29 17:01:17 -05:00
parent 64c6c01b80
commit b300404b89
1 changed files with 11 additions and 0 deletions
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11
include/fc/optional.hpp
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@ -209,6 +209,17 @@ namespace fc {
return *this; return *this;
} }
friend bool operator < ( const optional a, optional b )
{
if( a.valid() && b.valid() ) return *a < *b;
return a.valid() < b.valid();
}
friend bool operator == ( const optional a, optional b )
{
if( a.valid() && b.valid() ) return *a == *b;
return a.valid() == b.valid();
}
void reset() void reset()
{ {
if( _valid ) if( _valid )