Function change_case::camel_case

pub fn camel_case(input: &str) -> String

Change to camel case

use change_case::camel_case;
assert_eq!(camel_case(""), "");
assert_eq!(camel_case("test"), "test");
assert_eq!(camel_case("test string"), "testString");
assert_eq!(camel_case("Test String"), "testString");
assert_eq!(camel_case("TestV2"), "testV2");
assert_eq!(camel_case("_foo_bar_"), "fooBar");
assert_eq!(camel_case("version 1.2.10"), "version_1_2_10");
assert_eq!(camel_case("version 1.21.0"), "version_1_21_0");