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  • src/AST/Pass.hpp

    rd3aa64f r73f1b1c  
    4848//
    4949// Several additional features are available through inheritance
     50// | PureVisitor           - makes the visitor pure, it never modifies nodes in place and always
     51//                           clones nodes it needs to make changes to
    5052// | WithTypeSubstitution  - provides polymorphic const TypeSubstitution * env for the
    5153//                           current expression
     
    267269/// Keep track of the polymorphic const TypeSubstitution * env for the current expression
    268270
    269 /// marker to force shallow copies in pass visit
     271/// If used the visitor will always clone nodes.
    270272struct PureVisitor {};
    271273
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