use crate::math::types::Expression;

#[cfg(test)]
mod tests;

mod display;
mod eval;
mod functions;
mod lexer;
mod math_constants;
mod parser;

pub mod types;

pub fn parse(source: &str) -> Expression {
    let lexer = lexer::from(source);
    let mut parser = parser::from(lexer.collect());
    parser.parse()
}

pub fn eval(expr: Expression) -> Expression {
    eval::eval_expr(expr)
}