Function leg::custom

pub fn custom(
    tag: &ColoredString, 
    message: &str, 
    scope: Option<&str>, 
    ln: Option<bool>
)

Create a custom logger.

• tag - String to use as prefix (after scope).
• message - String to print.
• scope - Preffix to append.
• ln - Use eprintln instead eprint (default: true).