perf: use capacity_builder::FastDisplay (#42)

Cargo.toml

@@ -16,7 +16,13 @@ serde = { version = "1.0.130", features = ["derive", "rc"] }
 thiserror = "2"
 url = "2.5.3"
 deno_error = "0.5.1"
+capacity_builder = "0.4.0"
 
 [dev-dependencies]
+divan = "0.1.17"
 pretty_assertions = "1.0.0"
 serde_json = { version = "1.0.67", features = ["preserve_order"] }
+
+[[bench]]
+name = "bench"
+harness = false

benches/bench.rs

@@ -0,0 +1,65 @@
+fn main() {
+  // Run registered benchmarks.
+  divan::main();
+}
+
+mod package_req {
+  use deno_semver::package::PackageReq;
+
+  #[divan::bench(sample_size = 1000)]
+  fn from_str_loose() -> usize {
+    PackageReq::from_str_loose("@deno/[email protected]")
+      .unwrap()
+      .name
+      .len()
+  }
+
+  #[divan::bench(sample_size = 1000)]
+  fn to_string_normalized() -> usize {
+    PackageReq::from_str_loose("@deno/[email protected]")
+      .unwrap()
+      .to_string_normalized()
+      .len()
+  }
+}
+
+mod version {
+  use deno_semver::Version;
+
+  #[divan::bench(sample_size = 1000)]
+  fn to_string() -> usize {
+    version().to_string().len()
+  }
+
+  #[divan::bench(sample_size = 1000)]
+  fn to_string_display() -> usize {
+    format!("{}", version()).len()
+  }
+
+  fn version() -> Version {
+    Version::parse_from_npm("1.1.1-pre").unwrap()
+  }
+}
+
+mod version_req {
+  use deno_semver::VersionReq;
+
+  #[divan::bench(sample_size = 1000)]
+  fn to_string() -> usize {
+    version_req().to_string().len()
+  }
+
+  #[divan::bench(sample_size = 1000)]
+  fn to_string_display() -> usize {
+    format!("{}", version_req()).len()
+  }
+
+  #[divan::bench(sample_size = 1000)]
+  fn to_string_normalized() -> usize {
+    version_req().to_string_normalized().len()
+  }
+
+  fn version_req() -> VersionReq {
+    VersionReq::parse_from_npm("^1.1.1-pre").unwrap()
+  }
+}