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//! easylog - An easy and simple to use logger-crate for Rust.
//!
//! easylog let you write logging messages to a file so you can
//! analyse them later.
//!
//! # Example 1:
//! ```rust
//! extern crate easylog;
//!
//! use easylog::log_file::{LogFile, LogLevel};
//! use easylog::log_file_config::LogFileConfig;
//!
//! fn main() {
//! let default = LogFileConfig::new();
//! let mut logfile = match LogFile::new(default) {
//! Ok(file) => file,
//!
//! Err(error) => {
//! panic!("Error: `{}`", error);
//! }
//! };
//!
//! logfile.write(LogLevel::DEBUG, "Insert your logmessage here...");
//! logfile.write(LogLevel::INFO, "Insert your logmessage here...");
//! logfile.write(LogLevel::WARNING, "Insert your logmessage here...");
//! logfile.write(LogLevel::ERROR, "Insert your logmessage here...");
//! logfile.write(LogLevel::CRITICAL, "Insert your logmessage here...");
//! }
//! ```
//!
//! # Example Output:
//! ```text
//! $ cat ./logfile_0.log
//! 2018-06-09 22:51:37.443883 [DEBUG ] Insert your logmessage here...
//! 2018-06-09 22:51:37.443969 [INFO ] Insert your logmessage here...
//! 2018-06-09 22:51:37.443996 [WARNING ] Insert your logmessage here...
//! 2018-06-09 22:51:37.444022 [ERROR ] Insert your logmessage here...
//! 2018-06-09 22:51:37.444048 [CRITICAL] Insert your logmessage here...
//! ```
//!
//! # Example 2:
//! ```rust
//! extern crate easylog;
//!
//! use easylog::log_file::{LogFile, LogLevel};
//! use easylog::log_file_config::LogFileConfig;
//!
//! fn main() {
//! let mut custom_config = LogFileConfig::new();
//!
//! custom_config.max_size_in_mb = 2;
//! custom_config.path = String::from("./"); // String::from("/path/to/logfile/");
//! custom_config.name = String::from("my_logfile");
//! custom_config.extension = String::from(".txt");
//! custom_config.num_files_to_keep = 2;
//!
//! let logfile = match LogFile::new(custom_config) {
//! Ok(file) => file,
//!
//! Err(error) => {
//! panic!("Error: `{}`", error);
//! }
//! };
//! }
//! ```
//!
//! # Example 3
//! ```rust
//! extern crate easylog;
//!
//! use easylog::log_file::{LogFile, LogLevel};
//! use easylog::log_file_config::LogFileConfig;
//!
//! fn main() {
//! let mut custom_config = LogFileConfig::new();
//!
//! custom_config.max_size_in_mb = 2;
//! custom_config.path = String::from("./"); // String::from("/path/to/logfile/");
//! custom_config.name = String::from("my_logfile");
//! custom_config.extension = String::from(".txt");
//! custom_config.overwrite = false;
//! custom_config.num_files_to_keep = 1337; // has no effect, because overwrite is false
//!
//! let logfile = match LogFile::new(custom_config) {
//! Ok(file) => file,
//!
//! Err(error) => {
//! panic!("Error: `{}`", error);
//! }
//! };
//! }
//! ```
//!