46 lines
1.0 KiB
Rust
46 lines
1.0 KiB
Rust
//! An example showing off the usage of `Deserialize` to automatically decode
|
|
//! TOML into a Rust `struct`, with enums.
|
|
|
|
#![deny(warnings)]
|
|
#![allow(dead_code)]
|
|
|
|
use serde_derive::Deserialize;
|
|
|
|
/// This is what we're going to decode into.
|
|
#[derive(Debug, Deserialize)]
|
|
struct Config {
|
|
plain: MyEnum,
|
|
plain_table: MyEnum,
|
|
tuple: MyEnum,
|
|
#[serde(rename = "struct")]
|
|
structv: MyEnum,
|
|
newtype: MyEnum,
|
|
my_enum: Vec<MyEnum>,
|
|
}
|
|
|
|
#[derive(Debug, Deserialize)]
|
|
enum MyEnum {
|
|
Plain,
|
|
Tuple(i64, bool),
|
|
NewType(String),
|
|
Struct { value: i64 },
|
|
}
|
|
|
|
fn main() {
|
|
let toml_str = r#"
|
|
plain = "Plain"
|
|
plain_table = { Plain = {} }
|
|
tuple = { Tuple = { 0 = 123, 1 = true } }
|
|
struct = { Struct = { value = 123 } }
|
|
newtype = { NewType = "value" }
|
|
my_enum = [
|
|
{ Plain = {} },
|
|
{ Tuple = { 0 = 123, 1 = true } },
|
|
{ NewType = "value" },
|
|
{ Struct = { value = 123 } }
|
|
]"#;
|
|
|
|
let decoded: Config = toml::from_str(toml_str).unwrap();
|
|
println!("{:#?}", decoded);
|
|
}
|