Use binder ids to reconstruct variables in expr output

1 files changed, 1 insertions, 7 deletions

diff --git a/dhall/src/semantics/phase/mod.rs b/dhall/src/semantics/phase/mod.rs
index 104a1ba..5d17338 100644
--- a/dhall/src/semantics/phase/mod.rs
+++ b/dhall/src/semantics/phase/mod.rs
@@ -4,7 +4,7 @@ use std::path::Path;
 use crate::error::{EncodeError, Error, ImportError, TypeError};
 use crate::semantics::core::value::Value;
 use crate::semantics::core::value::ValueKind;
-use crate::semantics::core::var::{AlphaVar, Shift, Subst};
+use crate::semantics::core::var::{AlphaVar, Shift};
 use crate::semantics::to_expr::ToExprOptions;
 use crate::syntax::binary;
 use crate::syntax::{Builtin, Const, Expr};
@@ -203,12 +203,6 @@ impl Shift for Normalized {
     }
 }
 
-impl Subst<Value> for Typed {
-    fn subst_shift(&self, var: &AlphaVar, val: &Value) -> Self {
-        Typed(self.0.subst_shift(var, val))
-    }
-}
-
 macro_rules! derive_traits_for_wrapper_struct {
     ($ty:ident) => {
         impl std::cmp::PartialEq for $ty {