fanta-cli 0.1.0

A cli for Fanta, the rust web framework.
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use regex::{Regex, Captures};

pub trait SnekCase {
  fn to_snek_case(&self) -> String;
}

impl SnekCase for str {
  fn to_snek_case(&self) -> String {
    let reg = Regex::new(r"(.)([A-Z])").unwrap();

    let final_value = reg.replace_all(&self, |caps: &Captures| {
      format!("{}_{}", &caps[1], &caps[2])
    });

    final_value.to_lowercase()
  }
}

#[cfg(test)]
mod test {
  use super::SnekCase;

  #[test]
  fn it_should_insert_underscores() {
    let camel_case = "HelloWorld";

    assert!(camel_case.to_snek_case() == "hello_world");
  }
}