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ast_parent(+NodeId:atom,?ParentId:atom) is det.
ast_parent(?NodeId:atom,?ParentId:atom) is nondet.
- When called with the first argument instantiated, unify the second argument with the identity of the parent node.
- When called with the first argument free, enumerate all pairs of node and and parent node identities.
- Both variants fail for / don't enumerate nodes that have no parents.
research/jtransformer/api/meta/queries/ast_parent.txt · Last modified: 2018/05/09 01:59 (external edit)
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