extend false cases for is

2017-12-02 14:28:27 -07:00
parent 9a7419c507
commit c4cb3574ba
1 changed files with 1 additions and 1 deletions
--- a/src/prolog/codegen.rs
+++ b/src/prolog/codegen.rs
@@ -386,7 +386,7 @@ impl<'a, TermMarker: Allocator<'a>> CodeGenerator<'a, TermMarker>
                                code.push(is_call!(temp_v!(1)));
                            },
                            _ => {
-                                return Err(ParserError::from(ArithmeticError::InvalidTerm));
+                                code.push(fail!());
                            }
                        }
                    },