chore: checkpoint before Python removal

vendor/tinystr/benches/serde.rs

@@ -0,0 +1,37 @@
+// This file is part of ICU4X. For terms of use, please see the file
+// called LICENSE at the top level of the ICU4X source tree
+// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
+
+mod common;
+use common::*;
+
+use criterion::black_box;
+use criterion::criterion_group;
+use criterion::criterion_main;
+use criterion::Bencher;
+use criterion::Criterion;
+
+use tinystr::TinyAsciiStr;
+
+fn deserialize(c: &mut Criterion) {
+    macro_rules! cfs {
+        ($r:ty, $inputs:expr) => {
+            |b: &mut Bencher| {
+                let serialized: Vec<Vec<u8>> = $inputs
+                    .iter()
+                    .map(|s| postcard::to_stdvec(&s.parse::<$r>().unwrap()).unwrap())
+                    .collect();
+                b.iter(|| {
+                    for bytes in &serialized {
+                        let _: Result<$r, _> = black_box(postcard::from_bytes(bytes));
+                    }
+                })
+            }
+        };
+    }
+
+    bench_block!(c, "deserialize", cfs);
+}
+
+criterion_group!(benches, deserialize,);
+criterion_main!(benches);