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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/enum_external.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/enum_external.rs')
-rw-r--r--vendor/toml-0.5.9/examples/enum_external.rs45
1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/toml-0.5.9/examples/enum_external.rs b/vendor/toml-0.5.9/examples/enum_external.rs
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+++ b/vendor/toml-0.5.9/examples/enum_external.rs
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+//! 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);
+}