revert accidental push to trunk

src/can/operator.rs

@@ -3,7 +3,7 @@ use bumpalo::Bump;
 use operator::BinOp::Pizza;
 use operator::{BinOp, CalledVia};
 use parse::ast::Expr::{self, *};
-use parse::ast::{AssignedField, Def, Pattern};
+use parse::ast::{AssignedField, Def};
 use region::{Located, Region};
 use types;
 
@@ -322,45 +322,7 @@ pub fn desugar<'a>(arena: &'a Bump, loc_expr: &'a Located<Expr<'a>>) -> &'a Loca
                 }),
             )
         }
-        If((condition, then_branch, else_branch)) => {
+        other => panic!("TODO desugar {:?}", other),
-            // desugar if into case, meaning that
-            //
-            //      if b then x else y
-            //
-            // becomes
-            //
-            //      case b of
-            //              False -> y
-            //              _ -> x
-            let mut branches = Vec::with_capacity_in(2, arena);
-
-            // no type errors will occur here so using this region should be fine
-            let pattern_region = condition.region.clone();
-
-            branches.push(&*arena.alloc((
-                Located {
-                    value: Pattern::Variant(&[], "False"),
-                    region: pattern_region,
-                },
-                (*else_branch).clone(),
-            )));
-
-            branches.push(&*arena.alloc((
-                Located {
-                    value: Pattern::Underscore,
-                    region: pattern_region,
-                },
-                (*then_branch).clone(),
-            )));
-
-            desugar(
-                arena,
-                arena.alloc(Located {
-                    value: Case(condition, branches),
-                    region: loc_expr.region,
-                }),
-            )
-        }
     }
 }
 

tests/test_infer.rs

@@ -611,21 +611,6 @@ mod test_infer {
         );
     }
 
-    // #[test]
-    // fn if_with_int_literals() {
-    //     infer_eq(
-    //         indoc!(
-    //             r#"
-    //             if 1 == 1 then
-    //                 42
-    //             else
-    //                 24
-    //         "#
-    //         ),
-    //         "Int",
-    //     );
-    // }
-
     #[test]
     fn case_with_int_literals() {
         infer_eq(