use criterion::{Criterion, criterion_group, criterion_main};use std::hint::black_box; fn parse_commit(c: &mut Criterion) {    c.bench_function("CommitRef(sig)", |b| {        b.iter(|| {            black_box(gix_object::CommitRef::from_bytes(                COMMIT_WITH_MULTI_LINE_HEADERS,                gix_hash::Kind::Sha1,            ))            .unwrap()        });    });    c.bench_function("CommitRefIter(sig)", |b| {        b.iter(|| {            black_box(                gix_object::CommitRefIter::from_bytes(COMMIT_WITH_MULTI_LINE_HEADERS, gix_hash::Kind::Sha1).count(),            )        });    });} fn parse_tag(c: &mut Criterion) {    c.bench_function("TagRef(sig)", |b| {        b.iter(|| black_box(gix_object::TagRef::from_bytes(TAG_WITH_SIGNATURE, gix_hash::Kind::Sha1)).unwrap());    });    c.bench_function("TagRefIter(sig)", |b| {        b.iter(|| black_box(gix_object::TagRefIter::from_bytes(TAG_WITH_SIGNATURE, gix_hash::Kind::Sha1).count()));    });} fn parse_tree(c: &mut Criterion) {    let hash_kind = gix_testtools::object_hash();    c.bench_function("TreeRef()", |b| {        b.iter(|| black_box(gix_object::TreeRef::from_bytes(TREE, hash_kind)).unwrap());    });    c.bench_function("TreeRefIter()", |b| {        b.iter(|| black_box(gix_object::TreeRefIter::from_bytes(TREE, hash_kind).count()));    });} criterion_group!(benches, parse_commit, parse_tag, parse_tree);criterion_main!(benches); const COMMIT_WITH_MULTI_LINE_HEADERS: &[u8] = include_bytes!("../tests/fixtures/commit/two-multiline-headers.txt");const TAG_WITH_SIGNATURE: &[u8] = include_bytes!("../tests/fixtures/tag/signed.txt");const TREE: &[u8] = include_bytes!("../tests/fixtures/tree/everything.tree");