Prefer built-in "nub_left"

Now that justbuild 1.4 is available, the workaround of defining
"nub_left" in terms of "reverse" and "nub_right" is no longer
necessary.

1 files changed, 0 insertions, 14 deletions

diff --git a/EXPRESSIONS b/EXPRESSIONS
index 52a381f..b974026 100644
--- a/EXPRESSIONS
+++ b/EXPRESSIONS
@@ -226,18 +226,4 @@
       }
     }
   }
-, "nub_left":
-  { "doc": ["Removes all but the leftmost duplicate from the list."]
-  , "vars": ["list"]
-  , "vars_doc": {"list": ["The list to remove duplicates from."]}
-  , "expression":
-    { "type": "let*"
-    , "bindings":
-      [ ["list", {"type": "reverse", "$1": {"type": "var", "name": "list"}}]
-      , ["list", {"type": "nub_right", "$1": {"type": "var", "name": "list"}}]
-      , ["list", {"type": "reverse", "$1": {"type": "var", "name": "list"}}]
-      ]
-    , "body": {"type": "var", "name": "list"}
-    }
-  }
 }