A depth-first visitor for expressions.
Iterate this dsymbol or members of this scoped dsymbol, then call fp with the found symbol and params.
See Source File _apply.d Documentation: https://dlang.org/phobos/dmd_apply.html Coverage: https://codecov.io/gh/dlang/dmd/src/master/src/dmd/apply.d
Walter Bright
Copyright (C) 1999-2023 by The D Language Foundation, All Rights Reserved
Boost License 1.0
A depth-first visitor for expressions.