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Add Dynamic::clone_cast.

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This commit is contained in:
Stephen Chung
2021-03-30 18:57:16 +08:00
parent ec7b906f71
commit b14d18934a
7 changed files with 70 additions and 33 deletions
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40
src/serde/de.rs
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@@ -183,7 +183,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.deserialize_int(v, visitor)
} else {
self.value
.downcast_ref::<i8>()
.downclone_cast::<i8>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_i8(x))
}
}
@@ -193,7 +193,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.deserialize_int(v, visitor)
} else {
self.value
.downcast_ref::<i16>()
.downclone_cast::<i16>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_i16(x))
}
}
@@ -205,7 +205,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.type_error()
} else {
self.value
.downcast_ref::<i32>()
.downclone_cast::<i32>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_i32(x))
}
}
@@ -217,7 +217,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.type_error()
} else {
self.value
.downcast_ref::<i64>()
.downclone_cast::<i64>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_i64(x))
}
}
@@ -229,7 +229,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.type_error()
} else {
self.value
.downcast_ref::<i128>()
.downclone_cast::<i128>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_i128(x))
}
}
@@ -239,7 +239,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.deserialize_int(v, visitor)
} else {
self.value
.downcast_ref::<u8>()
.downclone_cast::<u8>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_u8(x))
}
}
@@ -249,7 +249,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.deserialize_int(v, visitor)
} else {
self.value
.downcast_ref::<u16>()
.downclone_cast::<u16>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_u16(x))
}
}
@@ -259,7 +259,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.deserialize_int(v, visitor)
} else {
self.value
.downcast_ref::<u32>()
.downclone_cast::<u32>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_u32(x))
}
}
@@ -269,7 +269,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.deserialize_int(v, visitor)
} else {
self.value
.downcast_ref::<u64>()
.downclone_cast::<u64>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_u64(x))
}
}
@@ -279,7 +279,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
self.deserialize_int(v, visitor)
} else {
self.value
.downcast_ref::<u128>()
.downclone_cast::<u128>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_u128(x))
}
}
@@ -288,7 +288,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
#[cfg(not(feature = "no_float"))]
return self
.value
.downcast_ref::<f32>()
.downclone_cast::<f32>()
.map_or_else(|| self.type_error(), |&x| _visitor.visit_f32(x));
#[cfg(feature = "no_float")]
@@ -298,7 +298,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
return self
.value
.downcast_ref::<rust_decimal::Decimal>()
.downclone_cast::<rust_decimal::Decimal>()
.and_then(|&x| x.to_f32())
.map_or_else(|| self.type_error(), |v| _visitor.visit_f32(v));
}
@@ -312,7 +312,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
#[cfg(not(feature = "no_float"))]
return self
.value
.downcast_ref::<f64>()
.downclone_cast::<f64>()
.map_or_else(|| self.type_error(), |&x| _visitor.visit_f64(x));
#[cfg(feature = "no_float")]
@@ -322,7 +322,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
return self
.value
.downcast_ref::<rust_decimal::Decimal>()
.downclone_cast::<rust_decimal::Decimal>()
.and_then(|&x| x.to_f64())
.map_or_else(|| self.type_error(), |v| _visitor.visit_f64(v));
}
@@ -334,12 +334,12 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
fn deserialize_char<V: Visitor<'de>>(self, visitor: V) -> Result<V::Value, Box<EvalAltResult>> {
self.value
.downcast_ref::<char>()
.downclone_cast::<char>()
.map_or_else(|| self.type_error(), |&x| visitor.visit_char(x))
}
fn deserialize_str<V: Visitor<'de>>(self, visitor: V) -> Result<V::Value, Box<EvalAltResult>> {
self.value.downcast_ref::<ImmutableString>().map_or_else(
self.value.downclone_cast::<ImmutableString>().map_or_else(
|| self.type_error(),
|x| visitor.visit_borrowed_str(x.as_str()),
)
@@ -366,7 +366,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
fn deserialize_unit<V: Visitor<'de>>(self, visitor: V) -> Result<V::Value, Box<EvalAltResult>> {
self.value
.downcast_ref::<()>()
.downclone_cast::<()>()
.map_or_else(|| self.type_error(), |_| visitor.visit_unit())
}
@@ -388,7 +388,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
fn deserialize_seq<V: Visitor<'de>>(self, _visitor: V) -> Result<V::Value, Box<EvalAltResult>> {
#[cfg(not(feature = "no_index"))]
return self.value.downcast_ref::<Array>().map_or_else(
return self.value.downclone_cast::<Array>().map_or_else(
|| self.type_error(),
|arr| _visitor.visit_seq(IterateArray::new(arr.iter())),
);
@@ -416,7 +416,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
fn deserialize_map<V: Visitor<'de>>(self, _visitor: V) -> Result<V::Value, Box<EvalAltResult>> {
#[cfg(not(feature = "no_object"))]
return self.value.downcast_ref::<Map>().map_or_else(
return self.value.downclone_cast::<Map>().map_or_else(
|| self.type_error(),
|map| {
_visitor.visit_map(IterateMap::new(
@@ -449,7 +449,7 @@ impl<'de> Deserializer<'de> for &mut DynamicDeserializer<'de> {
visitor.visit_enum(s.as_str().into_deserializer())
} else {
#[cfg(not(feature = "no_object"))]
if let Some(map) = self.value.downcast_ref::<Map>() {
if let Some(map) = self.value.downclone_cast::<Map>() {
let mut iter = map.iter();
let first = iter.next();
let second = iter.next();