From 5a2538d174fd36a8ed7f4fa344b9583fc48bd977 Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Tue, 11 Feb 2020 13:12:13 +0000
Subject: Remove the Embed variant from ExprKind

---
 dhall/src/syntax/text/parser.rs  | 10 +++-------
 dhall/src/syntax/text/printer.rs | 17 ++++++++---------
 2 files changed, 11 insertions(+), 16 deletions(-)

(limited to 'dhall/src/syntax/text')

diff --git a/dhall/src/syntax/text/parser.rs b/dhall/src/syntax/text/parser.rs
index 8d571c0..0ff1363 100644
--- a/dhall/src/syntax/text/parser.rs
+++ b/dhall/src/syntax/text/parser.rs
@@ -5,23 +5,19 @@ use std::rc::Rc;
 
 use pest_consume::{match_nodes, Parser};
 
-use crate::syntax;
 use crate::syntax::map::{DupTreeMap, DupTreeSet};
 use crate::syntax::ExprKind::*;
 use crate::syntax::{
-    Double, FilePath, FilePrefix, Hash, ImportLocation, ImportMode, Integer,
-    InterpolatedText, InterpolatedTextContents, Label, NaiveDouble, Natural,
-    Scheme, Span, URL, V,
+    Double, Expr, FilePath, FilePrefix, Hash, ImportLocation, ImportMode,
+    Integer, InterpolatedText, InterpolatedTextContents, Label, NaiveDouble,
+    Natural, Scheme, Span, UnspannedExpr, URL, V,
 };
-use crate::Normalized;
 
 // This file consumes the parse tree generated by pest and turns it into
 // our own AST. All those custom macros should eventually moved into
 // their own crate because they are quite general and useful. For now they
 // are here and hopefully you can figure out how they work.
 
-type Expr = syntax::Expr<Normalized>;
-type UnspannedExpr = syntax::UnspannedExpr<Normalized>;
 type ParsedText = InterpolatedText<Expr>;
 type ParsedTextContents = InterpolatedTextContents<Expr>;
 type ParseInput<'input> = pest_consume::Node<'input, Rule, Rc<str>>;
diff --git a/dhall/src/syntax/text/printer.rs b/dhall/src/syntax/text/printer.rs
index 06dd70f..d1c9588 100644
--- a/dhall/src/syntax/text/printer.rs
+++ b/dhall/src/syntax/text/printer.rs
@@ -19,17 +19,17 @@ enum PrintPhase {
 // Wraps an Expr with a phase, so that phase selection can be done separate from the actual
 // printing.
 #[derive(Clone)]
-struct PhasedExpr<'a, E>(&'a Expr<E>, PrintPhase);
+struct PhasedExpr<'a>(&'a Expr, PrintPhase);
 
-impl<'a, E: Display + Clone> PhasedExpr<'a, E> {
-    fn phase(self, phase: PrintPhase) -> PhasedExpr<'a, E> {
+impl<'a> PhasedExpr<'a> {
+    fn phase(self, phase: PrintPhase) -> PhasedExpr<'a> {
         PhasedExpr(self.0, phase)
     }
 }
 
-impl<E: Display + Clone> UnspannedExpr<E> {
+impl UnspannedExpr {
     // Annotate subexpressions with the appropriate phase, defaulting to Base
-    fn annotate_with_phases<'a>(&'a self) -> ExprKind<PhasedExpr<'a, E>, E> {
+    fn annotate_with_phases<'a>(&'a self) -> ExprKind<PhasedExpr<'a>> {
         use crate::syntax::ExprKind::*;
         use PrintPhase::*;
         let with_base = self.map_ref(|e| PhasedExpr(e, Base));
@@ -134,7 +134,7 @@ where
 }
 
 /// Generic instance that delegates to subexpressions
-impl<SE: Display + Clone, E: Display> Display for ExprKind<SE, E> {
+impl<SE: Display + Clone> Display for ExprKind<SE> {
     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
         use crate::syntax::ExprKind::*;
         match self {
@@ -232,19 +232,18 @@ impl<SE: Display + Clone, E: Display> Display for ExprKind<SE, E> {
                 write!(f, "{}::{}", a, b)?;
             }
             Import(a) => a.fmt(f)?,
-            Embed(a) => a.fmt(f)?,
         }
         Ok(())
     }
 }
 
-impl<E: Display + Clone> Display for Expr<E> {
+impl Display for Expr {
     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
         self.as_ref().fmt_phase(f, PrintPhase::Base)
     }
 }
 
-impl<'a, E: Display + Clone> Display for PhasedExpr<'a, E> {
+impl<'a> Display for PhasedExpr<'a> {
     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
         self.0.as_ref().fmt_phase(f, self.1)
     }
-- 
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