...
// to use methods like String.to_lower_case();
extern crate inflector;
use inflector::Inflector;
...
fn main() {
...
  let camel_case_string: String = "some_string".to_camel_case();
...
}

...
// to use methods like to_snake_case(&str);
extern crate inflector;

// use inflector::cases::classcase::to_class_case;
// use inflector::cases::classcase::is_class_case;

// use inflector::cases::camelcase::to_camel_case;
// use inflector::cases::camelcase::is_camel_case;

// use inflector::cases::pascalcase::to_pascal_case;
// use inflector::cases::pascalcase::is_pascal_case;

// use inflector::cases::screamingsnakecase::to_screamingsnake_case;
// use inflector::cases::screamingsnakecase::is_screamingsnake_case;

// use inflector::cases::snakecase::to_snake_case;
// use inflector::cases::snakecase::is_snake_case;

// use inflector::cases::kebabcase::to_kebab_case;
// use inflector::cases::kebabcase::is_kebab_case;

// use inflector::cases::traincase::to_train_case;
// use inflector::cases::traincase::is_train_case;

// use inflector::cases::sentencecase::to_sentence_case;
// use inflector::cases::sentencecase::is_sentence_case;

// use inflector::cases::titlecase::to_title_case;
// use inflector::cases::titlecase::is_title_case;

// use inflector::cases::tablecase::to_table_case;
// use inflector::cases::tablecase::is_table_case;

// use inflector::numbers::ordinalize::ordinalize;
// use inflector::numbers::deordinalize::deordinalize;

// use inflector::suffix::foreignkey::to_foreign_key;
// use inflector::suffix::foreignkey::is_foreign_key;

// use inflector::string::demodulize::demodulize;
// use inflector::string::deconstantize::deconstantize;

// use inflector::string::pluralize::to_plural;
// use inflector::string::singularize::to_singular;
...
fn main() {
...
  let camel_case_string: String = to_camel_case("some_string");
...
}