From db3ca819283f9bd99d197de464717f0b58b52fe4 Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Thu, 2 May 2019 17:07:11 +0200
Subject: Instead of possibly nonexistent Type, treat Sort specially

---
 dhall/src/traits/deserialize.rs  |  2 +-
 dhall/src/traits/dynamic_type.rs | 24 ++++--------------------
 dhall/src/traits/static_type.rs  |  8 +++-----
 3 files changed, 8 insertions(+), 26 deletions(-)

(limited to 'dhall/src/traits')

diff --git a/dhall/src/traits/deserialize.rs b/dhall/src/traits/deserialize.rs
index 9cc2147..99ca5ee 100644
--- a/dhall/src/traits/deserialize.rs
+++ b/dhall/src/traits/deserialize.rs
@@ -48,6 +48,6 @@ impl<'de: 'a, 'a> Deserialize<'de> for Normalized<'a> {
 
 impl<'de: 'a, 'a> Deserialize<'de> for Type<'a> {
     fn from_str(s: &'de str, ty: Option<&Type>) -> Result<Self> {
-        Ok(Normalized::from_str(s, ty)?.into_type()?)
+        Ok(Normalized::from_str(s, ty)?.to_type())
     }
 }
diff --git a/dhall/src/traits/dynamic_type.rs b/dhall/src/traits/dynamic_type.rs
index c15b277..74c2e0a 100644
--- a/dhall/src/traits/dynamic_type.rs
+++ b/dhall/src/traits/dynamic_type.rs
@@ -1,9 +1,7 @@
 use crate::expr::*;
 use crate::traits::StaticType;
 #[allow(unused_imports)]
-use crate::typecheck::{
-    type_of_const, TypeError, TypeMessage, TypecheckContext,
-};
+use crate::typecheck::{TypeError, TypeMessage, TypecheckContext};
 #[allow(unused_imports)]
 use dhall_core::{Const, ExprF};
 use std::borrow::Cow;
@@ -20,32 +18,18 @@ impl<T: StaticType> DynamicType for T {
 
 impl<'a> DynamicType for Type<'a> {
     fn get_type(&self) -> Result<Cow<'_, Type<'static>>, TypeError> {
-        Ok(Cow::Owned(
-            self.clone().into_normalized()?.get_type()?.into_owned(),
-        ))
+        self.get_type()
     }
 }
 
 impl<'a> DynamicType for Normalized<'a> {
     fn get_type(&self) -> Result<Cow<'_, Type<'static>>, TypeError> {
-        match &self.1 {
-            Some(t) => Ok(Cow::Borrowed(t)),
-            None => Err(TypeError::new(
-                &TypecheckContext::new(),
-                TypeMessage::Untyped,
-            )),
-        }
+        self.0.get_type()
     }
 }
 
 impl<'a> DynamicType for Typed<'a> {
     fn get_type(&self) -> Result<Cow<'_, Type<'static>>, TypeError> {
-        match &self.1 {
-            Some(t) => Ok(Cow::Borrowed(t)),
-            None => Err(TypeError::new(
-                &TypecheckContext::new(),
-                TypeMessage::Untyped,
-            )),
-        }
+        self.0.get_type()
     }
 }
diff --git a/dhall/src/traits/static_type.rs b/dhall/src/traits/static_type.rs
index 4dd9961..df6a177 100644
--- a/dhall/src/traits/static_type.rs
+++ b/dhall/src/traits/static_type.rs
@@ -38,15 +38,13 @@ fn mktype<'a>(x: SubExpr<X, X>) -> SimpleType<'a> {
 
 impl<T: SimpleStaticType> StaticType for T {
     fn get_static_type() -> Type<'static> {
-        crate::expr::Normalized(
+        crate::expr::Normalized::from_thunk_and_type(
             crate::normalize::Thunk::from_normalized_expr(
                 T::get_simple_static_type().into(),
             ),
-            Some(Type::const_type()),
-            std::marker::PhantomData,
+            Type::const_type(),
         )
-        .into_type()
-        .unwrap()
+        .to_type()
     }
 }
 
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