rishi/scryer-prolog
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add current_op/3

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This commit is contained in:
Mark Thom
2019-04-05 21:25:49 -06:00
parent 03f2190d6b
commit 272b4f6d8d
7 changed files with 160 additions and 11 deletions
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6
src/prolog/write.rs
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@@ -162,8 +162,10 @@ impl fmt::Display for HeapCellValue {
impl fmt::Display for DBRef {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
&DBRef::BuiltInPred(ref name, arity, _) => write!(f, "db_ref:builtin:{}/{}", name, arity),
&DBRef::NamedPred(ref name, arity, _) => write!(f, "db_ref:named:{}/{}", name, arity)
&DBRef::BuiltInPred(ref name, arity, _) => write!(f, "db_ref:builtin:{}/{}", name, arity),
&DBRef::NamedPred(ref name, arity, _) => write!(f, "db_ref:named:{}/{}", name, arity),
&DBRef::Op(priority, spec, ref name, ..) => write!(f, "db_ref:op({}, {}, {})", priority,
spec, name)
}
}
}