Add utilities to enum (#44)

* Add utilities to enum

* Fix unexpected pyo3 dependency propagation

literal/Cargo.toml

@@ -9,6 +9,7 @@ license = "MIT"
 
 [dependencies]
 hexf-parse = "0.2.1"
+is-macro.workspace = true
 lexical-parse-float = { version = "0.8.0", features = ["format"] }
 num-traits = { workspace = true }
 unic-ucd-category = "0.9"

literal/src/escape.rs

@@ -1,4 +1,4 @@
-#[derive(Debug, PartialEq, Eq, Copy, Clone)]
+#[derive(Debug, PartialEq, Eq, Copy, Clone, Hash, is_macro::Is)]
 pub enum Quote {
     Single,
     Double,

literal/src/format.rs

@@ -1,4 +1,4 @@
-#[derive(Debug, PartialEq, Clone, Copy)]
+#[derive(Debug, PartialEq, Eq, Clone, Copy, is_macro::Is, Hash)]
 pub enum Case {
     Lower,
     Upper,