CodeQL library for C/C++
codeql/cpp-all 1.1.1 (changelog, source)
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Predicate localFlowStep

Holds if data flows from nodeFrom to nodeTo in exactly one local (intra-procedural) step.

Import path

import semmle.code.cpp.dataflow.internal.DataFlowUtil
predicate localFlowStep(Node nodeFrom, Node nodeTo)