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-rw-r--r--dhall_core/src/core.rs25
-rw-r--r--dhall_core/src/parser.rs2
2 files changed, 6 insertions, 21 deletions
diff --git a/dhall_core/src/core.rs b/dhall_core/src/core.rs
index 1c1aa23..d0e908b 100644
--- a/dhall_core/src/core.rs
+++ b/dhall_core/src/core.rs
@@ -472,6 +472,7 @@ impl<N, E> SubExpr<N, E> {
match self.as_ref() {
ExprF::Embed(_) => SubExpr::clone(self),
// Recursive call
+ // TODO: don't discard the note !
ExprF::Note(_, e) => e
.map_subexprs_with_special_handling_of_binders(
map_expr,
@@ -505,8 +506,9 @@ impl<N, E> SubExpr<N, E> {
}
impl<N: Clone> SubExpr<N, X> {
+ // Deprecated, use embed_absurd instead
pub fn absurd<T>(&self) -> SubExpr<N, T> {
- rc(self.as_ref().absurd_rec())
+ self.embed_absurd()
}
pub fn embed_absurd<T>(&self) -> SubExpr<N, T> {
rc(self.as_ref().embed_absurd())
@@ -530,25 +532,8 @@ pub fn rc<N, E>(x: Expr<N, E>) -> SubExpr<N, E> {
SubExpr(Rc::new(x))
}
-pub fn app<N, E>(f: Expr<N, E>, args: Vec<SubExpr<N, E>>) -> Expr<N, E> {
- if args.is_empty() {
- f
- } else {
- ExprF::App(rc(f), args)
- }
-}
-
-pub fn app_rc<N, E>(
- f: SubExpr<N, E>,
- args: Vec<SubExpr<N, E>>,
-) -> SubExpr<N, E> {
- if args.is_empty() {
- f
- } else {
- rc(ExprF::App(f, args))
- }
-}
-
+/// Add an isize to an usize
+/// Panics on over/underflow
fn add_ui(u: usize, i: isize) -> usize {
if i < 0 {
u.checked_sub(i.checked_neg().unwrap() as usize).unwrap()
diff --git a/dhall_core/src/parser.rs b/dhall_core/src/parser.rs
index 1e47c16..2a30b2b 100644
--- a/dhall_core/src/parser.rs
+++ b/dhall_core/src/parser.rs
@@ -746,7 +746,7 @@ make_parser! {
rule!(application_expression<ParsedExpr<'a>> as expression; span; children!(
[expression(e)] => e,
[expression(first), expression(rest)..] => {
- spanned(span, app(first, rest.map(rc).collect()))
+ spanned(span, App(rc(first), rest.map(rc).collect()))
},
));