CodeQL library for C/C++
codeql/cpp-all 0.4.4 (changelog, source)
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Predicate PathGraph::edges

Holds if (a,b) is an edge in the graph of data flow path explanations.

Import path

import semmle.code.cpp.ir.dataflow.MustFlow
predicate edges(MustFlowPathNode a, MustFlowPathNode b)