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-rw-r--r--serde_dhall/src/serde.rs32
1 files changed, 18 insertions, 14 deletions
diff --git a/serde_dhall/src/serde.rs b/serde_dhall/src/serde.rs
index d891127..94b7e6c 100644
--- a/serde_dhall/src/serde.rs
+++ b/serde_dhall/src/serde.rs
@@ -33,20 +33,24 @@ impl<'de: 'a, 'a> serde::Deserializer<'de> for Deserializer<'a> {
use std::convert::TryInto;
use ExprF::*;
match self.0.as_ref().as_ref() {
- NaturalLit(n) => match (*n).try_into() {
- Ok(n64) => visitor.visit_u64(n64),
- Err(_) => match (*n).try_into() {
- Ok(n32) => visitor.visit_u32(n32),
- Err(_) => unimplemented!(),
- },
- },
- IntegerLit(n) => match (*n).try_into() {
- Ok(n64) => visitor.visit_i64(n64),
- Err(_) => match (*n).try_into() {
- Ok(n32) => visitor.visit_i32(n32),
- Err(_) => unimplemented!(),
- },
- },
+ NaturalLit(n) => {
+ if let Ok(n64) = (*n).try_into() {
+ visitor.visit_u64(n64)
+ } else if let Ok(n32) = (*n).try_into() {
+ visitor.visit_u32(n32)
+ } else {
+ unimplemented!()
+ }
+ }
+ IntegerLit(n) => {
+ if let Ok(n64) = (*n).try_into() {
+ visitor.visit_i64(n64)
+ } else if let Ok(n32) = (*n).try_into() {
+ visitor.visit_i32(n32)
+ } else {
+ unimplemented!()
+ }
+ }
RecordLit(m) => visitor.visit_map(
serde::de::value::MapDeserializer::new(m.iter().map(
|(k, v)| (k.as_ref(), Deserializer(Cow::Borrowed(v))),