Function simple_log::file

pub fn file<S: Into<String>>(
    path: S, 
    level: S, 
    size: u64, 
    roll_count: u32
) -> Result<(), String>

Provide init simple-log instance with write file.

The param path is either an absolute path or lacking a leading /, relative to the cwd of your LogConfig. The param level config log level with log_level. The param size config single file size(MB). The param roll_count config single file size(MB). The file extension of the pattern is .gz,the archive files will be gzip-compressed.