2 files changed, 40 insertions, 27 deletions

diff --git a/dhall/src/phase/mod.rs b/dhall/src/phase/mod.rs
index 1f80791..b5b7b64 100644
--- a/dhall/src/phase/mod.rs
+++ b/dhall/src/phase/mod.rs
@@ -1,7 +1,7 @@
 use std::fmt::Display;
 use std::path::Path;
 
-use dhall_syntax::{Const, SubExpr};
+use dhall_syntax::{Builtin, Const, SubExpr};
 
 use crate::core::value::Value;
 use crate::core::valuef::ValueF;
@@ -123,6 +123,39 @@ impl Typed {
     pub(crate) fn get_type(&self) -> Result<Typed, TypeError> {
         Ok(self.0.get_type()?.into_typed())
     }
+
+    pub fn make_builtin_type(b: Builtin) -> Self {
+        Typed::from_value(Value::from_builtin(b))
+    }
+    pub fn make_optional_type(t: Typed) -> Self {
+        Typed::from_value(
+            Value::from_builtin(Builtin::Optional).app(t.to_value()),
+        )
+    }
+    pub fn make_list_type(t: Typed) -> Self {
+        Typed::from_value(Value::from_builtin(Builtin::List).app(t.to_value()))
+    }
+    pub fn make_record_type(
+        kts: impl Iterator<Item = (String, Typed)>,
+    ) -> Self {
+        Typed::from_valuef_and_type(
+            ValueF::RecordType(
+                kts.map(|(k, t)| (k.into(), t.into_value())).collect(),
+            ),
+            Typed::const_type(),
+        )
+    }
+    pub fn make_union_type(
+        kts: impl Iterator<Item = (String, Option<Typed>)>,
+    ) -> Self {
+        Typed::from_valuef_and_type(
+            ValueF::UnionType(
+                kts.map(|(k, t)| (k.into(), t.map(|t| t.into_value())))
+                    .collect(),
+            ),
+            Typed::const_type(),
+        )
+    }
 }
 
 impl Normalized {
diff --git a/serde_dhall/src/lib.rs b/serde_dhall/src/lib.rs
index e2449de..ce3468f 100644
--- a/serde_dhall/src/lib.rs
+++ b/serde_dhall/src/lib.rs
@@ -124,8 +124,6 @@ pub use value::Value;
 
 // A Dhall value.
 pub mod value {
-    use dhall::core::value::Value as DhallValue;
-    use dhall::core::valuef::ValueF as DhallValueF;
     use dhall::phase::{NormalizedSubExpr, Parsed, Typed};
     use dhall_syntax::Builtin;
 
@@ -153,50 +151,32 @@ pub mod value {
         pub(crate) fn to_expr(&self) -> NormalizedSubExpr {
             self.0.to_expr()
         }
-        pub(crate) fn to_value(&self) -> DhallValue {
-            self.0.to_value()
-        }
         pub(crate) fn as_typed(&self) -> &Typed {
             &self.0
         }
 
-        /// Assumes that the given value has type `Type`.
-        pub(crate) fn make_simple_type(v: DhallValueF) -> Self {
-            Value(Typed::from_valuef_and_type(v, Typed::const_type()))
-        }
         pub(crate) fn make_builtin_type(b: Builtin) -> Self {
-            Self::make_simple_type(DhallValueF::from_builtin(b))
+            Value(Typed::make_builtin_type(b))
         }
         pub(crate) fn make_optional_type(t: Value) -> Self {
-            Self::make_simple_type(
-                DhallValueF::from_builtin(Builtin::Optional)
-                    .app(t.to_value())
-                    .into_whnf(),
-            )
+            Value(Typed::make_optional_type(t.0))
         }
         pub(crate) fn make_list_type(t: Value) -> Self {
-            Self::make_simple_type(
-                DhallValueF::from_builtin(Builtin::List)
-                    .app(t.to_value())
-                    .into_whnf(),
-            )
+            Value(Typed::make_list_type(t.0))
         }
         // Made public for the StaticType derive macro
         #[doc(hidden)]
         pub fn make_record_type(
             kts: impl Iterator<Item = (String, Value)>,
         ) -> Self {
-            Self::make_simple_type(DhallValueF::RecordType(
-                kts.map(|(k, t)| (k.into(), t.to_value())).collect(),
-            ))
+            Value(Typed::make_record_type(kts.map(|(k, t)| (k, t.0))))
         }
         #[doc(hidden)]
         pub fn make_union_type(
             kts: impl Iterator<Item = (String, Option<Value>)>,
         ) -> Self {
-            Self::make_simple_type(DhallValueF::UnionType(
-                kts.map(|(k, t)| (k.into(), t.map(|t| t.to_value())))
-                    .collect(),
+            Value(Typed::make_union_type(
+                kts.map(|(k, t)| (k, t.map(|t| t.0))),
             ))
         }
     }