mirror of https://github.com/xfarrow/lasd.git
19 lines
369 B
C++
19 lines
369 B
C++
|
|
||
|
|
namespace lasd {
|
||
|
|
|
||
|
|
template <typename Data>
|
||
|
|
void AuxFoldExists(const Data& dat, const void* val, void* exists){
|
||
|
|
if(dat == *((Data*)val)){
|
||
|
|
*((bool*)exists) = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename Data>
|
||
|
|
bool FoldableContainer<Data>::Exists(const Data& dat) const noexcept{
|
||
|
|
bool exists = false;
|
||
|
|
FoldPreOrder(&AuxFoldExists<Data>, &dat, &exists);
|
||
|
|
return exists;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|