use std::fmt::Display; use structopt::clap::arg_enum; #[derive(Copy, Clone, Debug, PartialEq)] pub enum LogState { Error, Warning, Debug, Verbose, } arg_enum! { #[derive(Copy, Clone, Debug, PartialEq)] pub enum LogLevel { Error, Warning, Debug, Verbose, } } pub fn log(msg: T, state: LogState, level: LogLevel) where T: Display, { if state == LogState::Error { log_error(msg); } else if state == LogState::Warning { if level != LogLevel::Error { log_warning(msg); } } else if state == LogState::Debug { if level == LogLevel::Debug || level == LogLevel::Verbose { log_debug(msg); } } else if state == LogState::Verbose { if level == LogLevel::Verbose { log_verbose(msg); } } else { unreachable!(); } } pub fn log_error(msg: T) where T: Display, { println!("Error: {}", msg); } pub fn log_warning(msg: T) where T: Display, { println!("Warning: {}", msg); } pub fn log_debug(msg: T) where T: Display, { println!("Debug: {}", msg); } pub fn log_verbose(msg: T) where T: Display, { println!("Verbose: {}", msg); }