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8 changes: 7 additions & 1 deletion src/cheetah_string.rs
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ use std::ops::Deref;
use std::str::FromStr;
use std::sync::Arc;

const EMPTY_STRING: &str = "";
pub const EMPTY_STRING: &str = "";

#[derive(Clone)]
#[repr(transparent)]
Expand Down Expand Up @@ -195,6 +195,12 @@ impl AsRef<[u8]> for CheetahString {
}
}

impl AsRef<CheetahString> for CheetahString {
fn as_ref(&self) -> &CheetahString {
self
}
}

impl From<&String> for CheetahString {
fn from(s: &String) -> Self {
CheetahString::from_slice(s)
Expand Down
4 changes: 2 additions & 2 deletions src/serde.rs
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
use crate::cheetah_string::InnerString;
use crate::cheetah_string::{InnerString, EMPTY_STRING};
use crate::CheetahString;
use serde::de::{Error, Unexpected, Visitor};
use serde::{Deserialize, Deserializer, Serialize, Serializer};
Expand All @@ -14,7 +14,7 @@ impl Serialize for CheetahString {
InnerString::ArcVecString(s) => serializer.serialize_bytes(s),
#[cfg(feature = "bytes")]
InnerString::Bytes(bytes) => serializer.serialize_bytes(bytes.as_ref()),
InnerString::Empty => serializer.serialize_bytes(&[]),
InnerString::Empty => serializer.serialize_str(EMPTY_STRING),
}
}
}
Expand Down
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