bdbaf80073It is not uncommon that users who are new to tracing look at the examples in the `master` branch of the repository and find that they don't compile. This is because they are examples which compile with the code from the master branch, which is for the as yet unreleased tracing 0.2.0 ecosystem. Users should instead go to the `v0.1.x` branch to find examples compatible with the crates published on crates.io. This change adds a doc-comment to the beginning of every example file informing the user of this fact and suggesting that they check out the `v0.1.x` branch instead.
32 lines
1 KiB
Rust
32 lines
1 KiB
Rust
//! NOTE: This is pre-release documentation for the upcoming tracing 0.2.0 ecosystem. For the
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//! release examples, please see the `v0.1.x` branch instead.
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//!
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//! Demonstrates displaying events' source code locations with the `fmt`
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//! subscriber.
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#![deny(rust_2018_idioms)]
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#[path = "fmt/yak_shave.rs"]
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mod yak_shave;
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fn main() {
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tracing_subscriber::fmt()
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// enable everything
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.with_max_level(tracing::Level::TRACE)
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// display source code file paths
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.with_file(true)
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// display source code line numbers
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.with_line_number(true)
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// disable targets
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.with_target(false)
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// sets this to be the default, global collector for this application.
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.init();
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let number_of_yaks = 3;
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// this creates a new event, outside of any spans.
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tracing::info!(number_of_yaks, "preparing to shave yaks");
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let number_shaved = yak_shave::shave_all(number_of_yaks);
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tracing::info!(
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all_yaks_shaved = number_shaved == number_of_yaks,
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"yak shaving completed."
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);
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}
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