Macro prometheus::register_histogram [−][src]
macro_rules! register_histogram {
($NAME : expr, $HELP : expr $(,) ?) => { ... };
($NAME : expr, $HELP : expr, $BUCKETS : expr $(,) ?) => { ... };
($HOPTS : expr $(,) ?) => { ... };
}
Expand description
Create a [Histogram
] and registers to default registry.
Examples
let opts = histogram_opts!("test_macro_histogram", "help");
let res1 = register_histogram!(opts);
assert!(res1.is_ok());
let res2 = register_histogram!("test_macro_histogram_2", "help");
assert!(res2.is_ok());
let res3 = register_histogram!("test_macro_histogram_4",
"help",
vec![1.0, 2.0]);
assert!(res3.is_ok());