add library(reif)

2019-02-16 16:34:38 -07:00
parent d2afd2dd19
commit b7dd76bf37
9 changed files with 137 additions and 16 deletions
--- a/src/prolog/machine/attributed_variables.rs
+++ b/src/prolog/machine/attributed_variables.rs
@@ -156,12 +156,14 @@ impl MachineState {

    fn print_attribute_goals(&mut self, var_dict: &HeapVarDict)
    {
-        let attr_goals = mem::replace(&mut self.attr_var_init.attribute_goals, vec![]);
+        let mut attr_goals = mem::replace(&mut self.attr_var_init.attribute_goals, vec![]);

        if attr_goals.is_empty() {
            return;
        }

+        self.term_dedup(&mut attr_goals);
+
        let mut output = PrinterOutputter::new();

        for goal_addr in attr_goals {