katex-parser 0.1.0

A port of the KaTeX parser: lexing and parsing LaTeX math expressions with macro expansion into a typed AST, plus a Unicode rendering backend
Documentation 
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// Ported from moonbit inspect/unicode_decor_test.mbt
#![allow(unused_imports)]
use crate::parse;
use crate::settings::{Macros, Settings};
use crate::unicode::render;
use crate::unicode::{LineStyle, RenderConfig};
use std::collections::HashMap;

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn t0() {
        assert_eq!(render(&parse("\\overbrace{a}^{b}", &mut Settings::new()).unwrap(), RenderConfig::new()), "overbrace(a)ᵇ");
        assert_eq!(render(&parse("\\underbrace{a}_{b}", &mut Settings::new()).unwrap(), RenderConfig::new()), "underbrace(a)_b");
        assert_eq!(render(&parse("\\overbracket{a}^{b}", &mut Settings::new()).unwrap(), RenderConfig::new()), "overbracket(a)ᵇ");
        assert_eq!(render(&parse("\\underbracket{a}_{b}", &mut Settings::new()).unwrap(), RenderConfig::new()), "underbracket(a)_b");
    }

    #[test]
    fn t1() {
        assert_eq!(render(&parse("\\xleftarrow{a}^{b}", &mut Settings::new()).unwrap(), RenderConfig::new()), "xleftarrow(a)ᵇ");
        assert_eq!(render(&parse("\\xrightarrow{a}^{b}", &mut Settings::new()).unwrap(), RenderConfig::new()), "xrightarrow(a)ᵇ");
        assert_eq!(render(&parse("\\xRightarrow{a}^{b}", &mut Settings::new()).unwrap(), RenderConfig::new()), "xRightarrow(a)ᵇ");
        assert_eq!(render(&parse("\\xmapsto{a}", &mut Settings::new()).unwrap(), RenderConfig::new()), "xmapsto(a)");
        assert_eq!(render(&parse("\\xrightarrow[below]{above}", &mut Settings::new()).unwrap(), RenderConfig::new()), "xrightarrow(above,below)");
    }

}