Colored Output

ANSI color support for terminal output.

Enable Colors

#![allow(unused)]
fn main() {
let mut config = LoggerConfig::default();
config.color = true;
logger.configure(config);
}

Default Colors

Built-in levels have default colors:

• TRACE: Cyan
• DEBUG: Blue
• INFO: Green
• SUCCESS: Bright Green
• WARNING: Yellow
• ERROR: Red
• FAIL: Bright Red
• CRITICAL: Bright Red + Bold

Custom Color Callback

Override default colors:

#![allow(unused)]
fn main() {
logger.add_color_callback(|level, message| {
    match level {
        Level::Info => format!("\x1b[32m{}\x1b[0m", message),
        Level::Error => format!("\x1b[31;1m{}\x1b[0m", message),
        _ => message.to_string(),
    }
});
}

ANSI Codes

Format: \x1b[CODEm

Foreground Colors

• 30 - Black
• 31 - Red
• 32 - Green
• 33 - Yellow
• 34 - Blue
• 35 - Magenta
• 36 - Cyan
• 37 - White

Bright Colors

• 90-97 - Bright variants

Styles

• 1 - Bold
• 4 - Underline
• 0 - Reset

Global Control

#![allow(unused)]
fn main() {
let mut config = LoggerConfig::default();
config.global_color_display = true;
logger.configure(config);
}

See Also

• Formatting
• Custom Levels