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-rw-r--r--dhall/src/core/value.rs5
-rw-r--r--dhall/src/phase/mod.rs5
-rw-r--r--dhall/src/phase/typecheck.rs39
-rw-r--r--dhall/src/tests.rs2
4 files changed, 24 insertions, 27 deletions
diff --git a/dhall/src/core/value.rs b/dhall/src/core/value.rs
index 25fcaae..64a4842 100644
--- a/dhall/src/core/value.rs
+++ b/dhall/src/core/value.rs
@@ -1,4 +1,3 @@
-use std::borrow::Cow;
use std::cell::{Ref, RefCell, RefMut};
use std::rc::Rc;
@@ -228,8 +227,8 @@ impl Value {
apply_any(self.clone(), v)
}
- pub(crate) fn get_type(&self) -> Result<Cow<'_, Value>, TypeError> {
- Ok(Cow::Owned(self.as_internal().get_type()?.clone()))
+ pub(crate) fn get_type(&self) -> Result<Value, TypeError> {
+ Ok(self.as_internal().get_type()?.clone())
}
}
diff --git a/dhall/src/phase/mod.rs b/dhall/src/phase/mod.rs
index 1f7e5f0..1f80791 100644
--- a/dhall/src/phase/mod.rs
+++ b/dhall/src/phase/mod.rs
@@ -1,4 +1,3 @@
-use std::borrow::Cow;
use std::fmt::Display;
use std::path::Path;
@@ -121,8 +120,8 @@ impl Typed {
}
#[allow(dead_code)]
- pub(crate) fn get_type(&self) -> Result<Cow<'_, Typed>, TypeError> {
- Ok(Cow::Owned(self.0.get_type()?.into_owned().into_typed()))
+ pub(crate) fn get_type(&self) -> Result<Typed, TypeError> {
+ Ok(self.0.get_type()?.into_typed())
}
}
diff --git a/dhall/src/phase/typecheck.rs b/dhall/src/phase/typecheck.rs
index 996c26c..4abc314 100644
--- a/dhall/src/phase/typecheck.rs
+++ b/dhall/src/phase/typecheck.rs
@@ -31,7 +31,7 @@ fn tck_pi_type(
_ => {
return Err(TypeError::new(
&ctx2,
- InvalidOutputType(te.get_type()?.into_owned()),
+ InvalidOutputType(te.get_type()?),
))
}
};
@@ -312,7 +312,7 @@ fn type_with(
let ctx2 = ctx.insert_type(x, tx.clone());
let b = type_with(&ctx2, b.clone())?;
let v = ValueF::Lam(x.clone().into(), tx.clone(), b.clone());
- let tb = b.get_type()?.into_owned();
+ let tb = b.get_type()?;
let t = tck_pi_type(ctx, x.clone(), tx, tb)?;
Value::from_valuef_and_type(v, t)
}
@@ -389,17 +389,17 @@ fn type_last_layer(
ValueF::Pi(x, tx, tb) => (x, tx, tb),
_ => return mkerr(NotAFunction(f.clone())),
};
- if a.get_type()?.as_ref() != tx {
+ if &a.get_type()? != tx {
return mkerr(TypeMismatch(f.clone(), tx.clone(), a.clone()));
}
RetTypeOnly(tb.subst_shift(&x.into(), a))
}
Annot(x, t) => {
- if t != x.get_type()?.as_ref() {
+ if &x.get_type()? != t {
return mkerr(AnnotMismatch(x.clone(), t.clone()));
}
- RetTypeOnly(x.get_type()?.into_owned())
+ RetTypeOnly(x.get_type()?)
}
Assert(t) => {
match &*t.as_whnf() {
@@ -412,7 +412,7 @@ fn type_last_layer(
RetTypeOnly(t.clone())
}
BoolIf(x, y, z) => {
- if x.get_type()?.as_ref() != &builtin_to_value(Bool) {
+ if &*x.get_type()?.as_whnf() != &ValueF::from_builtin(Bool) {
return mkerr(InvalidPredicate(x.clone()));
}
@@ -428,7 +428,7 @@ fn type_last_layer(
return mkerr(IfBranchMismatch(y.clone(), z.clone()));
}
- RetTypeOnly(y.get_type()?.into_owned())
+ RetTypeOnly(y.get_type()?)
}
EmptyListLit(t) => {
match &*t.as_whnf() {
@@ -445,24 +445,24 @@ fn type_last_layer(
if x.get_type()? != y.get_type()? {
return mkerr(InvalidListElement(
i,
- x.get_type()?.into_owned(),
+ x.get_type()?,
y.clone(),
));
}
}
let t = x.get_type()?;
if t.get_type()?.as_const() != Some(Type) {
- return mkerr(InvalidListType(t.into_owned()));
+ return mkerr(InvalidListType(t));
}
RetTypeOnly(
ValueF::from_builtin(dhall_syntax::Builtin::List)
- .app(t.into_owned())
+ .app(t)
.into_value_simple_type(),
)
}
SomeLit(x) => {
- let t = x.get_type()?.into_owned();
+ let t = x.get_type()?;
if t.get_type()?.as_const() != Some(Type) {
return mkerr(InvalidOptionalType(t));
}
@@ -483,8 +483,7 @@ fn type_last_layer(
)?),
RecordLit(kvs) => RetTypeOnly(tck_record_type(
ctx,
- kvs.iter()
- .map(|(x, v)| Ok((x.clone(), v.get_type()?.into_owned()))),
+ kvs.iter().map(|(x, v)| Ok((x.clone(), v.get_type()?))),
)?),
Field(r, x) => {
match &*r.get_type()?.as_whnf() {
@@ -545,7 +544,7 @@ fn type_last_layer(
for contents in interpolated.iter() {
use InterpolatedTextContents::Expr;
if let Expr(x) = contents {
- if x.get_type()?.as_ref() != &text_type {
+ if x.get_type()? != text_type {
return mkerr(InvalidTextInterpolation(x.clone()));
}
}
@@ -586,8 +585,8 @@ fn type_last_layer(
ctx,
ExprF::BinOp(
RecursiveRecordTypeMerge,
- l.get_type()?.into_owned(),
- r.get_type()?.into_owned(),
+ l.get_type()?,
+ r.get_type()?,
),
)?),
BinOp(RecursiveRecordTypeMerge, l, r) => {
@@ -659,7 +658,7 @@ fn type_last_layer(
return mkerr(BinOpTypeMismatch(*o, r.clone()));
}
- RetTypeOnly(l.get_type()?.into_owned())
+ RetTypeOnly(l.get_type()?)
}
BinOp(Equivalence, l, r) => {
if l.get_type()?.get_type()?.as_const() != Some(Type) {
@@ -692,11 +691,11 @@ fn type_last_layer(
Equivalence => unreachable!(),
});
- if l.get_type()?.as_ref() != &t {
+ if l.get_type()? != t {
return mkerr(BinOpTypeMismatch(*o, l.clone()));
}
- if r.get_type()?.as_ref() != &t {
+ if r.get_type()? != t {
return mkerr(BinOpTypeMismatch(*o, r.clone()));
}
@@ -800,7 +799,7 @@ fn type_last_layer(
RetTypeOnly(Value::from_valuef_and_type(
ValueF::RecordType(new_kts),
- record_type.get_type()?.into_owned(),
+ record_type.get_type()?,
))
}
};
diff --git a/dhall/src/tests.rs b/dhall/src/tests.rs
index be4805d..8f16a12 100644
--- a/dhall/src/tests.rs
+++ b/dhall/src/tests.rs
@@ -185,7 +185,7 @@ pub fn run_test(
}
TypeInference => {
let expr = expr.typecheck()?;
- let ty = expr.get_type()?.into_owned().normalize();
+ let ty = expr.get_type()?.normalize();
assert_eq_display!(ty, expected);
}
Normalization => {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 01:52:33 +0000