use criterion::{black_box, criterion_group, criterion_main, Criterion}; use lettre::message::{Mailbox, Mailboxes}; fn bench_parse_single(mailbox: &str) { assert!(mailbox.parse::().is_ok()); } fn bench_parse_multiple(mailboxes: &str) { assert!(mailboxes.parse::().is_ok()); } fn criterion_benchmark(c: &mut Criterion) { c.bench_function("parse single mailbox", |b| { b.iter(|| bench_parse_single(black_box("\"Benchmark test\" "))) }); c.bench_function("parse multiple mailboxes", |b| { b.iter(|| { bench_parse_multiple(black_box( "\"Benchmark test\" , Test , , test@mail.local", )) }) }); } criterion_group!(benches, criterion_benchmark); criterion_main!(benches);