summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--dhall/src/normalize.rs11
-rw-r--r--dhall/tests/tests.rs64
-rw-r--r--dhall_core/src/core.rs24
3 files changed, 60 insertions, 39 deletions
diff --git a/dhall/src/normalize.rs b/dhall/src/normalize.rs
index 8948443..50a1625 100644
--- a/dhall/src/normalize.rs
+++ b/dhall/src/normalize.rs
@@ -36,6 +36,8 @@ where
normalize_whnf(&b3)
}
(Builtin(b), a) => match (b, normalize_whnf(a)) {
+ (OptionalSome, a) => OptionalLit(None, vec![a]),
+ (OptionalNone, a) => OptionalLit(Some(bx(a)), vec![]),
(NaturalIsZero, NaturalLit(n)) => BoolLit(n == 0),
(NaturalEven, NaturalLit(n)) => BoolLit(n % 2 == 0),
(NaturalOdd, NaturalLit(n)) => BoolLit(n % 2 != 0),
@@ -149,7 +151,7 @@ where
) => {
let e2: Expr<_, _> = xs.into_iter().fold(
(**nothing).clone(),
- |y, _| {
+ |_, y| {
let y = bx(y);
dhall_expr!(just y)
},
@@ -186,6 +188,13 @@ where
BoolLit(false) => normalize_whnf(f),
b2 => BoolIf(bx(b2), t.clone(), f.clone()),
},
+ OptionalLit(t, es) => {
+ if !es.is_empty() {
+ OptionalLit(None, es.clone())
+ } else {
+ OptionalLit(t.clone(), es.clone())
+ }
+ }
BinOp(o, x, y) => match (o, normalize_whnf(&x), normalize_whnf(&y)) {
(BoolAnd, BoolLit(x), BoolLit(y)) => BoolLit(x && y),
(BoolOr, BoolLit(x), BoolLit(y)) => BoolLit(x || y),
diff --git a/dhall/tests/tests.rs b/dhall/tests/tests.rs
index 70de466..68125a0 100644
--- a/dhall/tests/tests.rs
+++ b/dhall/tests/tests.rs
@@ -61,14 +61,14 @@ make_spec_test!(normalization, spec_normalization_success_prelude_List_fold_1, "
make_spec_test!(normalization, spec_normalization_success_prelude_List_fold_2, "normalization/success/prelude/List/fold/2");
// make_spec_test!(normalization, spec_normalization_success_prelude_List_generate_0, "normalization/success/prelude/List/generate/0");
// make_spec_test!(normalization, spec_normalization_success_prelude_List_generate_1, "normalization/success/prelude/List/generate/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_List_head_0, "normalization/success/prelude/List/head/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_List_head_1, "normalization/success/prelude/List/head/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_List_head_0, "normalization/success/prelude/List/head/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_List_head_1, "normalization/success/prelude/List/head/1");
// make_spec_test!(normalization, spec_normalization_success_prelude_List_indexed_0, "normalization/success/prelude/List/indexed/0");
// make_spec_test!(normalization, spec_normalization_success_prelude_List_indexed_1, "normalization/success/prelude/List/indexed/1");
// make_spec_test!(normalization, spec_normalization_success_prelude_List_iterate_0, "normalization/success/prelude/List/iterate/0");
// make_spec_test!(normalization, spec_normalization_success_prelude_List_iterate_1, "normalization/success/prelude/List/iterate/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_List_last_0, "normalization/success/prelude/List/last/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_List_last_1, "normalization/success/prelude/List/last/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_List_last_0, "normalization/success/prelude/List/last/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_List_last_1, "normalization/success/prelude/List/last/1");
make_spec_test!(normalization, spec_normalization_success_prelude_List_length_0, "normalization/success/prelude/List/length/0");
make_spec_test!(normalization, spec_normalization_success_prelude_List_length_1, "normalization/success/prelude/List/length/1");
make_spec_test!(normalization, spec_normalization_success_prelude_List_map_0, "normalization/success/prelude/List/map/0");
@@ -106,36 +106,36 @@ make_spec_test!(normalization, spec_normalization_success_prelude_Natural_sum_1,
// make_spec_test!(normalization, spec_normalization_success_prelude_Natural_toDouble_1, "normalization/success/prelude/Natural/toDouble/1");
make_spec_test!(normalization, spec_normalization_success_prelude_Natural_toInteger_0, "normalization/success/prelude/Natural/toInteger/0");
make_spec_test!(normalization, spec_normalization_success_prelude_Natural_toInteger_1, "normalization/success/prelude/Natural/toInteger/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_all_0, "normalization/success/prelude/Optional/all/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_all_1, "normalization/success/prelude/Optional/all/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_any_0, "normalization/success/prelude/Optional/any/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_any_1, "normalization/success/prelude/Optional/any/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_build_0, "normalization/success/prelude/Optional/build/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_build_1, "normalization/success/prelude/Optional/build/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_concat_0, "normalization/success/prelude/Optional/concat/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_concat_1, "normalization/success/prelude/Optional/concat/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_concat_2, "normalization/success/prelude/Optional/concat/2");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_filter_0, "normalization/success/prelude/Optional/filter/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_filter_1, "normalization/success/prelude/Optional/filter/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_fold_0, "normalization/success/prelude/Optional/fold/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_fold_1, "normalization/success/prelude/Optional/fold/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_head_0, "normalization/success/prelude/Optional/head/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_head_1, "normalization/success/prelude/Optional/head/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_all_0, "normalization/success/prelude/Optional/all/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_all_1, "normalization/success/prelude/Optional/all/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_any_0, "normalization/success/prelude/Optional/any/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_any_1, "normalization/success/prelude/Optional/any/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_build_0, "normalization/success/prelude/Optional/build/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_build_1, "normalization/success/prelude/Optional/build/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_concat_0, "normalization/success/prelude/Optional/concat/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_concat_1, "normalization/success/prelude/Optional/concat/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_concat_2, "normalization/success/prelude/Optional/concat/2");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_filter_0, "normalization/success/prelude/Optional/filter/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_filter_1, "normalization/success/prelude/Optional/filter/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_fold_0, "normalization/success/prelude/Optional/fold/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_fold_1, "normalization/success/prelude/Optional/fold/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_head_0, "normalization/success/prelude/Optional/head/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_head_1, "normalization/success/prelude/Optional/head/1");
make_spec_test!(normalization, spec_normalization_success_prelude_Optional_head_2, "normalization/success/prelude/Optional/head/2");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_last_0, "normalization/success/prelude/Optional/last/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_last_1, "normalization/success/prelude/Optional/last/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_last_0, "normalization/success/prelude/Optional/last/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_last_1, "normalization/success/prelude/Optional/last/1");
make_spec_test!(normalization, spec_normalization_success_prelude_Optional_last_2, "normalization/success/prelude/Optional/last/2");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_length_0, "normalization/success/prelude/Optional/length/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_length_1, "normalization/success/prelude/Optional/length/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_map_0, "normalization/success/prelude/Optional/map/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_map_1, "normalization/success/prelude/Optional/map/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_null_0, "normalization/success/prelude/Optional/null/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_null_1, "normalization/success/prelude/Optional/null/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_toList_0, "normalization/success/prelude/Optional/toList/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_toList_1, "normalization/success/prelude/Optional/toList/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_unzip_0, "normalization/success/prelude/Optional/unzip/0");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Optional_unzip_1, "normalization/success/prelude/Optional/unzip/1");
-// make_spec_test!(normalization, spec_normalization_success_prelude_Text_concat_0, "normalization/success/prelude/Text/concat/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_length_0, "normalization/success/prelude/Optional/length/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_length_1, "normalization/success/prelude/Optional/length/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_map_0, "normalization/success/prelude/Optional/map/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_map_1, "normalization/success/prelude/Optional/map/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_null_0, "normalization/success/prelude/Optional/null/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_null_1, "normalization/success/prelude/Optional/null/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_toList_0, "normalization/success/prelude/Optional/toList/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_toList_1, "normalization/success/prelude/Optional/toList/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_unzip_0, "normalization/success/prelude/Optional/unzip/0");
+make_spec_test!(normalization, spec_normalization_success_prelude_Optional_unzip_1, "normalization/success/prelude/Optional/unzip/1");
+make_spec_test!(normalization, spec_normalization_success_prelude_Text_concat_0, "normalization/success/prelude/Text/concat/0");
make_spec_test!(normalization, spec_normalization_success_prelude_Text_concat_1, "normalization/success/prelude/Text/concat/1");
// make_spec_test!(normalization, spec_normalization_success_prelude_Text_concatMap_0, "normalization/success/prelude/Text/concatMap/0");
make_spec_test!(normalization, spec_normalization_success_prelude_Text_concatMap_1, "normalization/success/prelude/Text/concatMap/1");
diff --git a/dhall_core/src/core.rs b/dhall_core/src/core.rs
index 9c96b2a..9f4beb3 100644
--- a/dhall_core/src/core.rs
+++ b/dhall_core/src/core.rs
@@ -257,6 +257,8 @@ pub enum Builtin {
Text,
List,
Optional,
+ OptionalSome,
+ OptionalNone,
NaturalBuild,
NaturalFold,
NaturalIsZero,
@@ -462,13 +464,19 @@ impl<S, A: Display> Expr<S, A> {
Ok(())
}
&OptionalLit(ref t, ref es) => {
- fmt_list("[", "]", es, f, |e, f| e.fmt(f))?;
- match t {
- Some(t) => {
- write!(f, " : Optional ")?;
- t.fmt_e(f)?
+ match es.iter().next() {
+ None => {
+ write!(f, "None ")?;
+ t.as_ref().unwrap().fmt_e(f)?;
+ }
+ Some(e) => {
+ write!(f, "Some ")?;
+ e.fmt_e(f)?;
+ if let Some(t) = t {
+ write!(f, " : Optional ")?;
+ t.fmt_e(f)?;
+ }
}
- None => {}
}
Ok(())
}
@@ -624,6 +632,8 @@ impl Display for Builtin {
Text => "Text",
List => "List",
Optional => "Optional",
+ OptionalSome => "Some",
+ OptionalNone => "None",
NaturalBuild => "Natural/build",
NaturalFold => "Natural/fold",
NaturalIsZero => "Natural/isZero",
@@ -659,6 +669,8 @@ impl Builtin {
"Text" => Some(Text),
"List" => Some(List),
"Optional" => Some(Optional),
+ "Some" => Some(OptionalSome),
+ "None" => Some(OptionalNone),
"Natural/build" => Some(NaturalBuild),
"Natural/fold" => Some(NaturalFold),
"Natural/isZero" => Some(NaturalIsZero),