feat: derive hash for json pointer path

Author: Ggiggle

.gitignore

@@ -11,4 +11,5 @@ Cargo.lock
 *.profraw
 *.profdata
 *.svg
-*.diff
+*.diff
+.DS_Store

Cargo.toml

@@ -10,7 +10,7 @@ license       = "Apache-2.0"
 name          = "sonic-rs"
 readme        = "README.md"
 repository    = "https://github.com/cloudwego/sonic-rs"
-version       = "0.5.3"
+version       = "0.5.4"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

src/pointer/point.rs

@@ -4,7 +4,7 @@ use faststr::FastStr;
 pub type JsonPointer = [PointerNode];
 
 /// Represents a node in a json pointer path.
-#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub enum PointerNode {
     Key(FastStr),
     Index(usize),