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: / proc / self / root / opt / alt / ruby34 / share / ri / system / Prism / Visitor /

Filename : cdesc-Visitor.ri

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U:RDoc::NormalClass[iI"Visitor:ETI"Prism::Visitor;TI"Prism::BasicVisitor;To:RDoc::Markup::Document:@parts[o;;[
o:RDoc::Markup::Paragraph;[	I"RA visitor is a class that provides a default implementation for every accept ;TI"Lmethod defined on the nodes. This means it can walk a tree without the ;TI"Pcaller needing to define any special handling. This allows you to handle a ;TI"<subset of the tree, while still walking the whole tree.;To:RDoc::Markup::BlankLine�o;	;[I"RFor example, to find all of the method calls that call the `foo` method, you ;TI"could write:;T@o:RDoc::Markup::Verbatim;[I"%class FooCalls < Prism::Visitor
;TI"!  def visit_call_node(node)
;TI"    if node.name == "foo"
;TI"(      # Do something with the node
;TI"
    end
;TI"
;TI"E    # Call super so that the visitor continues walking the tree
;TI"    super
;TI"  end
;TI"end;T:@format0:
@fileI"lib/prism/visitor.rb;T:0@omit_headings_from_table_of_contents_below0;
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Prism;TcRDoc::NormalModule