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