subms-hyperloglog 0.4.0

submillisecond.com cookbook recipe - data-structures: subms-hyperloglog. Distinct-count cardinality estimator. ~1% standard error at ~16 KB.
Documentation 
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use std::io;
use std::process::ExitCode;
use subms::{SubMsBenchParams, benchmark};
use subms_hyperloglog::recipe::HyperLogLogRecipe;

fn main() -> ExitCode {
    let params = SubMsBenchParams::from_stdin();
    let h = benchmark(&HyperLogLogRecipe, &params);
    h.write_json(&mut io::stdout().lock()).expect("write json");
    ExitCode::SUCCESS
}