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add more type predicates.

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This commit is contained in:
Mark Thom
2018-02-05 20:10:41 -07:00
parent 8326a573d9
commit 9d5f897fed
10 changed files with 232 additions and 8 deletions
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7
src/prolog/iterators.rs
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@@ -67,7 +67,12 @@ impl<'a> QueryIterator<'a> {
},
&QueryTerm::Inlined(InlinedQueryTerm::IsAtomic(ref terms))
| &QueryTerm::Inlined(InlinedQueryTerm::IsInteger(ref terms))
| &QueryTerm::Inlined(InlinedQueryTerm::IsVar(ref terms)) =>
| &QueryTerm::Inlined(InlinedQueryTerm::IsVar(ref terms))
| &QueryTerm::Inlined(InlinedQueryTerm::IsNonVar(ref terms))
| &QueryTerm::Inlined(InlinedQueryTerm::IsFloat(ref terms))
| &QueryTerm::Inlined(InlinedQueryTerm::IsRational(ref terms))
| &QueryTerm::Inlined(InlinedQueryTerm::IsCompound(ref terms))
| &QueryTerm::Inlined(InlinedQueryTerm::IsString(ref terms)) =>
Self::from_term(terms[0].as_ref()),
&QueryTerm::Term(ref term) =>
Self::from_term(term),