summaryrefslogtreecommitdiffstats
path: root/vendor/toml-0.5.9/examples/decode.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:50 +0000
commit2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35 (patch)
treed325add32978dbdc1db975a438b3a77d571b1ab8 /vendor/toml-0.5.9/examples/decode.rs
parentReleasing progress-linux version 1.68.2+dfsg1-1~progress7.99u1. (diff)
downloadrustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.tar.xz
rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.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.rs54
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);
+}