cgp-tests 0.7.0

Context-generic programming meta crate
Documentation 
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use cgp::prelude::*;

#[cgp_component(AreaCalculator)]
pub trait CanCalculateArea {
    fn area(&self) -> f64;
}

#[cgp_impl(new RectangleAreaCalculator)]
#[uses(RectangleArea)]
impl AreaCalculator {
    fn area(&self) -> f64 {
        self.rectangle_area()
    }
}

#[cgp_fn]
pub fn rectangle_area(&self, #[implicit] width: f64, #[implicit] height: f64) -> f64 {
    width * height
}

#[derive(HasField)]
pub struct Rectangle {
    pub width: f64,
    pub height: f64,
}

delegate_and_check_components! {
    Rectangle {
        AreaCalculatorComponent:
            RectangleAreaCalculator,
    }
}