Before:
running 4 tests
test empty_str_to_string ... bench: 32 ns/iter (+/- 3)
test i32_to_string ... bench: 81 ns/iter (+/- 1)
test long_str_to_string ... bench: 93 ns/iter (+/- 1)
test short_str_to_string ... bench: 75 ns/iter (+/- 0)
test result: ok. 0 passed; 0 failed; 0 ignored; 4 measured
After:
running 4 tests
test empty_str_to_string ... bench: 10 ns/iter (+/- 1)
test i32_to_string ... bench: 83 ns/iter (+/- 3)
test long_str_to_string ... bench: 46 ns/iter (+/- 1)
test short_str_to_string ... bench: 29 ns/iter (+/- 1)
test result: ok. 0 passed; 0 failed; 0 ignored; 4 measured