revert is_undefined back to ref match, re: #44

2018-08-22 18:24:49 -06:00
parent f861b7a80e
commit ddf5593e44
1 changed files with 1 additions and 1 deletions
--- a/src/prolog/ast.rs
+++ b/src/prolog/ast.rs
@@ -1575,7 +1575,7 @@ impl CodeIndex {
    pub fn is_undefined(&self) -> bool {
        let index_ptr = &self.0.borrow().0;

-        if let IndexPtr::Undefined = index_ptr {
+        if let &IndexPtr::Undefined = index_ptr {
            true
        } else {
            false