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Merge pull request #39 from epage/log
docs: Clarify relationship with log / tracing
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@@ -1 +1 @@ | ||
msrv = "1.54.0" # MSRV | ||
msrv = "1.56.0" # MSRV |
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use clap::Parser; | ||
use clap_verbosity_flag::Verbosity; | ||
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/// Foo | ||
#[derive(Debug, Parser)] | ||
struct Cli { | ||
#[clap(flatten)] | ||
verbose: Verbosity, | ||
} | ||
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fn main() { | ||
let cli = Cli::parse(); | ||
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tracing_subscriber::fmt() | ||
.with_max_level(convert_filter(cli.verbose.log_level_filter())) | ||
.init(); | ||
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log::error!("Engines exploded"); | ||
log::warn!("Engines smoking"); | ||
log::info!("Engines exist"); | ||
log::debug!("Engine temperature is 200 degrees"); | ||
log::trace!("Engine subsection is 300 degrees"); | ||
} | ||
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fn convert_filter(filter: log::LevelFilter) -> tracing_subscriber::filter::LevelFilter { | ||
match filter { | ||
log::LevelFilter::Off => tracing_subscriber::filter::LevelFilter::OFF, | ||
log::LevelFilter::Error => tracing_subscriber::filter::LevelFilter::ERROR, | ||
log::LevelFilter::Warn => tracing_subscriber::filter::LevelFilter::WARN, | ||
log::LevelFilter::Info => tracing_subscriber::filter::LevelFilter::INFO, | ||
log::LevelFilter::Debug => tracing_subscriber::filter::LevelFilter::DEBUG, | ||
log::LevelFilter::Trace => tracing_subscriber::filter::LevelFilter::TRACE, | ||
} | ||
} |
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