serde_enum_str/
lib.rs

1//! Serialize and deserialize enum string.
2//!
3//! ```Cargo.toml
4//! [dependencies]
5//! serde-enum-str = "0.3"
6//! serde = { version = "1", features = ["derive"] }
7//! ```
8//!
9//! ```rust,ignore
10//! use serde_enum_str::{Deserialize_enum_str, Serialize_enum_str};
11//!
12//! #[derive(Deserialize_enum_str, Serialize_enum_str, Debug, PartialEq, Eq)]
13//! #[serde(rename_all = "snake_case")]
14//! enum Foo {
15//!     A,
16//!     #[serde(rename = "B")]
17//!     B,
18//!     #[serde(other)]
19//!     Other(String),
20//! }
21//!
22//! fn main() -> serde_json::Result<()> {
23//!     assert_eq!(serde_json::to_string(&Foo::A).unwrap(), r#""a""#);
24//!     assert_eq!(serde_json::from_str::<Foo>(r#""a""#).unwrap(), Foo::A);
25//!
26//!     assert_eq!(
27//!         serde_json::from_str::<Foo>(r#""c""#).unwrap(),
28//!         Foo::Other("c".to_owned())
29//!     );
30//!
31//!     assert_eq!(Foo::A.to_string(), "a");
32//!     assert_eq!("a".parse::<Foo>().unwrap(), Foo::A);
33//!
34//!     Ok(())
35//! }
36//! ```
37#![allow(clippy::single_match_else)]
38#![cfg_attr(not(feature = "std"), no_std)]
39
40extern crate alloc;
41extern crate proc_macro;
42
43use proc_macro::TokenStream;
44use quote::quote;
45use syn::parse_macro_input;
46
47mod input;
48mod output;
49mod output_de;
50mod output_ser;
51
52#[proc_macro_derive(Serialize_enum_str, attributes(serde))]
53pub fn derive_serialize(input: TokenStream) -> TokenStream {
54    let input = parse_macro_input!(input as self::input::Input);
55    let input = self::output_ser::InputWrapper(input);
56
57    TokenStream::from(quote!(#input))
58}
59
60#[proc_macro_derive(Deserialize_enum_str, attributes(serde))]
61pub fn derive_deserialize(input: TokenStream) -> TokenStream {
62    let input = parse_macro_input!(input as self::input::Input);
63    let input = self::output_de::InputWrapper(input);
64
65    TokenStream::from(quote!(#input))
66}
serde_enum_str/lib.rs

serde_enum_str/
lib.rs
