egui_code_editor 0.2.27

egui Code Editor widget with numbered lines, syntax highlighting and auto-completion..
Documentation 
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use colorful::{Color, Colorful};
use egui_code_editor::{Syntax, Token, TokenType};

fn color(token: TokenType) -> Color {
    match token {
        TokenType::Comment(_) => Color::Grey37,
        TokenType::Function => Color::Yellow3b,
        TokenType::Keyword => Color::IndianRed1c,
        TokenType::Literal => Color::NavajoWhite1,
        TokenType::Numeric(_) => Color::MediumPurple,
        TokenType::Punctuation(_) => Color::Orange3,
        TokenType::Special => Color::Cyan,
        TokenType::Str(_) => Color::Green,
        TokenType::Type => Color::GreenYellow,
        TokenType::Whitespace(_) => Color::White,
        TokenType::Hyperlink => Color::Blue3b,
        TokenType::Unknown => Color::Pink1,
    }
}

fn main() {
    let text = r#"// Code Editor
 CodeEditor::default()
     .id_source("code editor")
     .with_rows(12)
     .with_fontsize(14.0)
     .with_theme(self.theme)
     .with_syntax(self.syntax.to_owned())
     .with_numlines(true)
     .vscroll(true)
     .show(ui, &mut self.code);
     "#;

    let syntax = Syntax::rust();
    for token in Token::default().tokens(&syntax, text) {
        print!("{}", token.buffer().color(color(token.ty())));
    }
}