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-rw-r--r--dhall_core/src/core.rs47
1 files changed, 0 insertions, 47 deletions
diff --git a/dhall_core/src/core.rs b/dhall_core/src/core.rs
index b3f6b9c..9c07ff7 100644
--- a/dhall_core/src/core.rs
+++ b/dhall_core/src/core.rs
@@ -284,53 +284,6 @@ impl<N: Clone, E> Expr<N, E> {
}
impl<SE, L, N, E> ExprF<SE, L, N, E> {
- pub fn as_ref(&self) -> ExprF<&SE, &L, &N, &E>
- where
- L: Ord,
- {
- fn opt<T>(x: &Option<T>) -> Option<&T> {
- x.as_ref()
- }
- fn vec<T>(x: &[T]) -> Vec<&T> {
- x.iter().collect()
- }
- fn btmap<L: Ord, SE>(x: &BTreeMap<L, SE>) -> BTreeMap<&L, &SE> {
- x.iter().collect()
- }
-
- use crate::ExprF::*;
- match self {
- Var(V(l, n)) => Var(V(l, *n)),
- Lam(l, t, b) => Lam(l, t, b),
- Pi(l, t, b) => Pi(l, t, b),
- Let(l, t, a, b) => Let(l, opt(t), a, b),
- App(f, args) => App(f, vec(args)),
- Annot(x, t) => Annot(x, t),
- Const(k) => Const(*k),
- Builtin(v) => Builtin(*v),
- BoolLit(b) => BoolLit(*b),
- NaturalLit(n) => NaturalLit(*n),
- IntegerLit(n) => IntegerLit(*n),
- DoubleLit(n) => DoubleLit(*n),
- TextLit(t) => TextLit(t.as_ref()),
- BinOp(o, x, y) => BinOp(*o, x, y),
- BoolIf(b, t, f) => BoolIf(b, t, f),
- EmptyListLit(t) => EmptyListLit(t),
- NEListLit(es) => NEListLit(vec(es)),
- EmptyOptionalLit(t) => EmptyOptionalLit(t),
- NEOptionalLit(e) => NEOptionalLit(e),
- RecordType(kts) => RecordType(btmap(kts)),
- RecordLit(kvs) => RecordLit(btmap(kvs)),
- UnionType(kts) => UnionType(btmap(kts)),
- UnionLit(k, v, kvs) => UnionLit(k, v, btmap(kvs)),
- Merge(x, y, t) => Merge(x, y, opt(t)),
- Field(e, l) => Field(e, l),
- Projection(e, ls) => Projection(e, vec(ls)),
- Note(n, e) => Note(n, e),
- Embed(a) => Embed(a),
- }
- }
-
pub fn traverse_ref<'a, SE2, L2, N2, E2, Err, F1, F2, F3, F4, F5>(
&'a self,
visit_subexpr: F1,