clc-engine

[Calculator] calculate given expression. Core functionality for clc.

Examples

use clc_engine::Calculator;

let clc = Calculator::new();
let eval = clc.calculate_line("sqrt(sqrt(16)) * (4 + 2)");

assert_eq!(eval, Ok(12.));

Division by zero

use clc_engine::{Calculator, Error,EvalError};

let clc = Calculator::new();
let err = clc.calculate_line("10 / 0");

assert_eq!(err, Err(Error::Eval(EvalError::DivisionByZero)));

Under the hood clc-engine use nom to parse expression

License

This project is available under the terms of either the Apache 2.0 license or the MIT license.