add support for rational numbers, division.

2017-12-02 11:10:25 -07:00
parent a65adf960e
commit 9a7419c507
10 changed files with 218 additions and 71 deletions
--- a/src/prolog/macros.rs
+++ b/src/prolog/macros.rs
@@ -28,12 +28,6 @@ macro_rules! arith {
    )
 }

-macro_rules! string {
-    ($str:expr) => {
-        vec![HeapCellValue::Con(Constant::String(String::from($str)))]
-    }
-}
-
 macro_rules! functor {
    ($name:expr, $len:expr, [$($args:expr),*]) => {{
        if $len > 0 {