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-rw-r--r--dhall_core/src/core.rs4
-rw-r--r--dhall_core/src/parser.rs2
-rw-r--r--dhall_core/src/printer.rs11
-rw-r--r--dhall_core/src/visitor.rs3
4 files changed, 6 insertions, 14 deletions
diff --git a/dhall_core/src/core.rs b/dhall_core/src/core.rs
index 9a8acc2..fa6fca4 100644
--- a/dhall_core/src/core.rs
+++ b/dhall_core/src/core.rs
@@ -180,10 +180,8 @@ pub enum ExprF<SubExpr, Label, Note, Embed> {
/// `[] : Optional a`
/// `[x] : Optional a`
OldOptionalLit(Option<SubExpr>, SubExpr),
- /// `None t`
- EmptyOptionalLit(SubExpr),
/// `Some e`
- NEOptionalLit(SubExpr),
+ SomeLit(SubExpr),
/// `{ k1 : t1, k2 : t1 }`
RecordType(BTreeMap<Label, SubExpr>),
/// `{ k1 = v1, k2 = v2 }`
diff --git a/dhall_core/src/parser.rs b/dhall_core/src/parser.rs
index 31249a9..ba15bae 100644
--- a/dhall_core/src/parser.rs
+++ b/dhall_core/src/parser.rs
@@ -754,7 +754,7 @@ make_parser! {
children!(
[expression(e)] => e,
[Some_(()), expression(e)] => {
- spanned(span, NEOptionalLit(rc(e)))
+ spanned(span, SomeLit(rc(e)))
},
[merge(()), expression(x), expression(y)] => {
spanned(span, Merge(rc(x), rc(y), None))
diff --git a/dhall_core/src/printer.rs b/dhall_core/src/printer.rs
index ea291a9..c4bad71 100644
--- a/dhall_core/src/printer.rs
+++ b/dhall_core/src/printer.rs
@@ -38,10 +38,7 @@ impl<SE: Display + Clone, N, E: Display> Display for ExprF<SE, Label, N, E> {
OldOptionalLit(Some(x), t) => {
write!(f, "[{}] : Optional {}", x, t)?;
}
- EmptyOptionalLit(t) => {
- write!(f, "None {}", t)?;
- }
- NEOptionalLit(e) => {
+ SomeLit(e) => {
write!(f, "Some {}", e)?;
}
Merge(a, b, c) => {
@@ -159,8 +156,7 @@ impl<S: Clone, A: Display + Clone> Expr<S, A> {
| EmptyListLit(_)
| NEListLit(_)
| OldOptionalLit(_, _)
- | EmptyOptionalLit(_)
- | NEOptionalLit(_)
+ | SomeLit(_)
| Merge(_, _, _)
| Annot(_, _)
if phase > Base =>
@@ -200,8 +196,7 @@ impl<S: Clone, A: Display + Clone> Expr<S, A> {
),
EmptyListLit(t) => EmptyListLit(t.phase(Import)),
OldOptionalLit(x, t) => OldOptionalLit(x, t.phase(Import)),
- EmptyOptionalLit(t) => EmptyOptionalLit(t.phase(Import)),
- NEOptionalLit(e) => NEOptionalLit(e.phase(Import)),
+ SomeLit(e) => SomeLit(e.phase(Import)),
ExprF::App(f, a) => ExprF::App(f.phase(Import), a.phase(Import)),
Field(a, b) => Field(a.phase(Primitive), b),
Projection(e, ls) => Projection(e.phase(Primitive), ls),
diff --git a/dhall_core/src/visitor.rs b/dhall_core/src/visitor.rs
index c15aacd..caaefce 100644
--- a/dhall_core/src/visitor.rs
+++ b/dhall_core/src/visitor.rs
@@ -153,8 +153,7 @@ where
opt(x, |e| v.visit_subexpr(e))?,
v.visit_subexpr(t)?,
),
- EmptyOptionalLit(t) => EmptyOptionalLit(v.visit_subexpr(t)?),
- NEOptionalLit(e) => NEOptionalLit(v.visit_subexpr(e)?),
+ SomeLit(e) => SomeLit(v.visit_subexpr(e)?),
RecordType(kts) => RecordType(btmap(kts, v)?),
RecordLit(kvs) => RecordLit(btmap(kvs, v)?),
UnionType(kts) => UnionType(btoptmap(kts, v)?),