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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:43 +0000 |
commit | 3e3e70d529d8c7d7c4d7bc4fefc9f109393b9245 (patch) | |
tree | daf049b282ab10e8c3d03e409b3cd84ff3f7690c /vendor/toml-0.5.9/examples/decode.rs | |
parent | Adding debian version 1.68.2+dfsg1-1. (diff) | |
download | rustc-3e3e70d529d8c7d7c4d7bc4fefc9f109393b9245.tar.xz rustc-3e3e70d529d8c7d7c4d7bc4fefc9f109393b9245.zip |
Merging upstream version 1.69.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/toml-0.5.9/examples/decode.rs')
-rw-r--r-- | vendor/toml-0.5.9/examples/decode.rs | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/vendor/toml-0.5.9/examples/decode.rs b/vendor/toml-0.5.9/examples/decode.rs new file mode 100644 index 000000000..256069b35 --- /dev/null +++ b/vendor/toml-0.5.9/examples/decode.rs @@ -0,0 +1,54 @@ +//! An example showing off the usage of `Deserialize` to automatically decode +//! TOML into a Rust `struct` + +#![deny(warnings)] +#![allow(dead_code)] + +use serde_derive::Deserialize; + +/// This is what we're going to decode into. Each field is optional, meaning +/// that it doesn't have to be present in TOML. +#[derive(Debug, Deserialize)] +struct Config { + global_string: Option<String>, + global_integer: Option<u64>, + server: Option<ServerConfig>, + peers: Option<Vec<PeerConfig>>, +} + +/// Sub-structs are decoded from tables, so this will decode from the `[server]` +/// table. +/// +/// Again, each field is optional, meaning they don't have to be present. +#[derive(Debug, Deserialize)] +struct ServerConfig { + ip: Option<String>, + port: Option<u64>, +} + +#[derive(Debug, Deserialize)] +struct PeerConfig { + ip: Option<String>, + port: Option<u64>, +} + +fn main() { + let toml_str = r#" + global_string = "test" + global_integer = 5 + + [server] + ip = "127.0.0.1" + port = 80 + + [[peers]] + ip = "127.0.0.1" + port = 8080 + + [[peers]] + ip = "127.0.0.1" + "#; + + let decoded: Config = toml::from_str(toml_str).unwrap(); + println!("{:#?}", decoded); +} |