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-rw-r--r--serde_dhall/src/options/de.rs37
1 files changed, 7 insertions, 30 deletions
diff --git a/serde_dhall/src/options/de.rs b/serde_dhall/src/options/de.rs
index 8ff794d..e4f3456 100644
--- a/serde_dhall/src/options/de.rs
+++ b/serde_dhall/src/options/de.rs
@@ -2,8 +2,9 @@ use std::path::{Path, PathBuf};
use dhall::Parsed;
+use crate::options::{HasAnnot, ManualAnnot, NoAnnot, StaticAnnot, TypeAnnot};
use crate::SimpleType;
-use crate::{Error, ErrorKind, FromDhall, Result, StaticType, Value};
+use crate::{Error, ErrorKind, FromDhall, Result, Value};
#[derive(Debug, Clone)]
enum Source<'a> {
@@ -12,32 +13,6 @@ enum Source<'a> {
// Url(&'a str),
}
-#[derive(Debug, Clone, Copy)]
-pub struct NoAnnot;
-#[derive(Debug, Clone, Copy)]
-pub struct ManualAnnot<'ty>(&'ty SimpleType);
-#[derive(Debug, Clone, Copy)]
-pub struct StaticAnnot;
-
-pub trait OptionalAnnot<A> {
- fn get_annot(a: &A) -> Option<SimpleType>;
-}
-impl<T> OptionalAnnot<NoAnnot> for T {
- fn get_annot(_: &NoAnnot) -> Option<SimpleType> {
- None
- }
-}
-impl<'ty, T> OptionalAnnot<ManualAnnot<'ty>> for T {
- fn get_annot(a: &ManualAnnot<'ty>) -> Option<SimpleType> {
- Some(a.0.clone())
- }
-}
-impl<T: StaticType> OptionalAnnot<StaticAnnot> for T {
- fn get_annot(_: &StaticAnnot) -> Option<SimpleType> {
- Some(T::static_type())
- }
-}
-
/// Controls how a Dhall value is read.
///
/// This builder exposes the ability to configure how a value is deserialized and what operations
@@ -252,7 +227,8 @@ impl<'a, A> Deserializer<'a, A> {
fn _parse<T>(&self) -> dhall::error::Result<Value>
where
- T: OptionalAnnot<A>,
+ A: TypeAnnot,
+ T: HasAnnot<A>,
{
let parsed = match &self.source {
Source::Str(s) => Parsed::parse_str(s)?,
@@ -263,7 +239,7 @@ impl<'a, A> Deserializer<'a, A> {
} else {
parsed.skip_resolve()?
};
- let typed = match &T::get_annot(&self.annot) {
+ let typed = match &T::get_annot(self.annot) {
None => resolved.typecheck()?,
Some(ty) => resolved.typecheck_with(ty.to_value().as_hir())?,
};
@@ -287,7 +263,8 @@ impl<'a, A> Deserializer<'a, A> {
/// [`StaticType`]: trait.StaticType.html
pub fn parse<T>(&self) -> Result<T>
where
- T: FromDhall + OptionalAnnot<A>,
+ A: TypeAnnot,
+ T: FromDhall + HasAnnot<A>,
{
let val = self
._parse::<T>()