tracing-attributes 0.1.24

Procedural macro attributes for automatically instrumenting functions.
Documentation 
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// Only test on nightly, since UI tests are bound to change over time
#[rustversion::stable]
#[test]
fn async_instrument() {
    let t = trybuild::TestCases::new();
    t.compile_fail("tests/ui/async_instrument.rs");
}

#[rustversion::stable]
#[test]
fn const_instrument() {
    let t = trybuild::TestCases::new();
    t.compile_fail("tests/ui/const_instrument.rs");
}