expression → vector Relation

File in src/core/expression	Includes file in src/core/vector
qgsexpressioncontextutils.cpp	qgsvectorlayer.h
qgsexpressionfunction.cpp	qgsvectorlayer.h
qgsexpressionfunction.cpp	qgsvectorlayerfeatureiterator.h
qgsexpressionutils.cpp	qgsvectorlayer.h
qgsexpressionutils.h	qgsvectorlayer.h
qgsexpressionutils.h	qgsvectorlayerfeatureiterator.h