Visit'em all
Apply a list of functions to each level in a nested parse table.
pre_visit() applies funs before it proceeds to the children,
(that is, starts from the outermost level of nesting progressing
to the innermost level), post_visit() proceeds to its children
before applying the functions (meaning it first applies the functions
to the innermost level of nesting first and then going outwards).
pre_visit(pd_nested, funs) post_visit(pd_nested, funs)
pd_nested |
A nested parse table. |
funs |
A list of transformer functions. |
Other visitors:
visit_one()
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