Function basic_log_fmt 

pub fn basic_log_fmt(
    level: LogLevel,
    log_text: &str,
    line_len: usize,
    items: MutexGuard<'_, Vec<LogItem>>,
)

A basic log formatter that splits long lines and counts repeated lines.

• level - The log level.
• log_text - The log text.
• line_len - The maximum length of a line.