55 lines
1.2 KiB
Rust
55 lines
1.2 KiB
Rust
//! An example showing off the usage of `Deserialize` to automatically decode
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//! TOML into a Rust `struct`
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#![deny(warnings)]
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#![allow(dead_code)]
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use serde_derive::Deserialize;
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/// This is what we're going to decode into. Each field is optional, meaning
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/// that it doesn't have to be present in TOML.
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#[derive(Debug, Deserialize)]
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struct Config {
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global_string: Option<String>,
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global_integer: Option<u64>,
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server: Option<ServerConfig>,
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peers: Option<Vec<PeerConfig>>,
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}
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/// Sub-structs are decoded from tables, so this will decode from the `[server]`
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/// table.
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///
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/// Again, each field is optional, meaning they don't have to be present.
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#[derive(Debug, Deserialize)]
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struct ServerConfig {
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ip: Option<String>,
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port: Option<u64>,
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}
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#[derive(Debug, Deserialize)]
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struct PeerConfig {
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ip: Option<String>,
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port: Option<u64>,
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}
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fn main() {
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let toml_str = r#"
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global_string = "test"
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global_integer = 5
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[server]
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ip = "127.0.0.1"
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port = 80
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[[peers]]
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ip = "127.0.0.1"
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port = 8080
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[[peers]]
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ip = "127.0.0.1"
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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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