Revert adding of print (its behavior was poorly designed).

This reverts commit 3e1bf7f9946efe70d452c71494ac77ed39110804.

1 files changed, 13 insertions, 11 deletions

diff --git a/src/type/check.rs b/src/type/check.rs
index 91ca422..e536ce7 100644
--- a/src/type/check.rs
+++ b/src/type/check.rs
@@ -163,11 +163,7 @@ impl SExp {
     /// };
     /// ```
     pub fn type_check(&self) -> Result<Type, TypeError> {
-        let ty = self.infer_type(HashMap::new())?;
-        match ty.is_concrete() {
-            Ok(()) => Ok(ty),
-            Err(s) => Err(UnboundGeneric(ty, s)),
-        }
+        self.infer_type(HashMap::new())
     }
 
 
@@ -198,7 +194,6 @@ impl SExp {
                                 List(vec![VecType, vecof(vt("T"))])
                             )),
             Atom(Let)    => Ok(LetType),
-            Atom(Print)  => Ok(arr(vt("_"), arr(vt("T"), vt("T")))),
 
 
             SCons(op, l) => {
@@ -303,11 +298,10 @@ impl Type {
                     restype = restype.subst(&name, &ty);
                 }
 
-                //match restype.is_concrete() {
-                //    Ok(()) => Ok(arr(argtype.clone(), restype)),
-                //    Err(unbound) => Err(UnboundGeneric(unbound)),
-                //}
-                Ok(arr(argtype.clone(), restype))
+                match restype.is_concrete() {
+                    Ok(()) => Ok(arr(argtype.clone(), restype)),
+                    Err(unbound) => Err(UnboundGeneric(unbound)),
+                }
             },
             _ => Err(OtherError)
         }
@@ -385,6 +379,14 @@ mod tests {
     use super::{*, TypeError};
 
     #[test]
+    fn test_failing_infer_generics() {
+        assert_eq!(
+            arr(Integer, VarType("X".to_string())).infer_generics(&Integer),
+            Err(TypeError::UnboundGeneric(String::from("X")))
+        );
+    }
+
+    #[test]
     fn test_infer_generics() {
 
         // Simple identity function, really all we