https://llvm.org/doxygen/classllvm_1_1filter__iterator__impl.html
LLVM: llvm::filter_iterator_impl WrappedIteratorT, PredicateT, IterTag Class Template Reference
llvmfilteriteratorimplclass
https://learn.microsoft.com/de-de/dotnet/api/system.predicate-1?view=netframework-4.8.1&viewFallbackFrom=net-8.0
PredicateT Delegate (System) | Microsoft Learn
Represents the method that defines a set of criteria and determines whether the specified object meets those criteria.
delegatesystemmicrosoftlearn