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Feat/254 int histogram #388

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@hdost hdost commented Feb 9, 2021

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@hdost hdost mentioned this pull request Feb 9, 2021
@@ -217,9 +217,11 @@ pub use self::encoder::TextEncoder;
pub use self::encoder::{PROTOBUF_FORMAT, TEXT_FORMAT};
pub use self::errors::{Error, Result};
pub use self::gauge::{Gauge, GaugeVec, IntGauge, IntGaugeVec};
#[deprecated(since = "0.12.0", note = "Please use DEFAULT_FLOAT_BUCKETS")]
pub use self::histogram::DEFAULT_BUCKETS;
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Considering that Histogram is called Histogram instead of FloatHistogram, I suggest to keep DEFAULT_BUCKETS and not being DEFAULT_FLOAT_BUCKETS. What do you think?

@@ -41,9 +48,34 @@ fn check_bucket_label(label: &str) -> Result<()> {
Ok(())
}

fn check_and_adjust_buckets(mut buckets: Vec<f64>) -> Result<Vec<f64>> {
fn check_and_adjust_int_buckets(mut buckets: Vec<u64>) -> Result<Vec<u64>> {
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Maybe we can use generics to avoid writing code twice.

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From what i can tell this would require a bit of a re-architecture. I will take a closer look this may be a breaking change and see what i can do.


}

impl IntHistogramCore {
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We'd better avoid duplicating these codes. You can try with generics!

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