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48 lines
1.1 KiB
48 lines
1.1 KiB
//! This is a minimal example with a config file and logging
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#[macro_use]
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extern crate serde_derive;
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#[macro_use]
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extern crate log;
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use clappconfig::AppConfig; // Must be in scope so the trait methods may be used
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#[derive(Serialize, Deserialize, Debug, Default)]
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#[serde(default)]
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struct Config {
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foo: u32,
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bar: u32,
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}
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impl AppConfig for Config {
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// We want init() to just return the config struct
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type Init = Config;
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/// Logging - we do not have a config option for this, so just return a default value
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fn logging(&self) -> &str {
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"info"
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}
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/// Finalize config (this is called inside `init()`)
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fn configure<'a>(self, _clap: &clap::ArgMatches<'a>) -> anyhow::Result<Self::Init> {
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Ok(self)
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}
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}
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fn main() -> anyhow::Result<()> {
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let cfg = Config::init(
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"Foo Example",
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"examples/foo.json",
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env!("CARGO_PKG_VERSION"),
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)?;
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trace!("Trace message");
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debug!("Debug message");
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info!("Info message");
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warn!("Warn message");
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error!("Error message");
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println!("Welcome to foo, config is:\n{:#?}", cfg);
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Ok(())
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}
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