A depth-first visitor for expressions.


Walter Bright

Source: apply.d

  • Declaration

    int apply(FP, Params...)(Dsymbol symbol, FP fp, Params params);

    Iterate this dsymbol or members of this scoped dsymbol, then call fp with the found symbol and params.


    Dsymbol symbol

    the dsymbol or parent of members to call fp on

    FP fp

    function pointer to process the iterated symbol. If it returns nonzero, the iteration will be aborted.

    Params params

    any parameters passed to fp.

    Return Value

    nonzero if the iteration is aborted by the return value of fp, or 0 if it's completed.