devicons 0.6.12

A Rust library that provides filetype glyphs (icons) for a wide range of common file formats.
Documentation 
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use devicons::{icon_for_file, FileIcon, Theme};
use std::path::Path;

fn main() {
    // getting the icon from a path with a specified theme
    let path = Path::new("Cargo.toml");
    let icon_1 = icon_for_file(path, &Some(Theme::Dark));

    // getting the icon from a string with a specified theme
    let icon_2 = icon_for_file("Cargo.toml", &Some(Theme::Dark));

    // getting the icon from a path with the default theme
    let icon_3 = FileIcon::from(path);

    // directly getting an icon from a filename
    let icon_4 = FileIcon::from("Cargo.toml");

    // from a PathBuf
    let icon_5 = FileIcon::from(std::path::PathBuf::from("Cargo.toml"));

    // from a String
    let icon_6 = FileIcon::from("Cargo.toml".to_string());

    println!("File: {}", path.to_string_lossy());
    println!("Icon: {} {}", icon_1.icon, icon_1.color);
    println!("Icon: {} {}", icon_2.icon, icon_2.color);
    println!("Icon: {} {}", icon_3.icon, icon_3.color);
    println!("Icon: {} {}", icon_4.icon, icon_4.color);
    println!("Icon: {} {}", icon_5.icon, icon_5.color);
    println!("Icon: {} {}", icon_6.icon, icon_6.color);
}