polys 0.4.2

A package for polygon geometry
Documentation 
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pub mod rect;
pub use crate::rect::Rect;
pub mod circle;
pub use crate::circle::Circle;
pub mod tri;
pub use crate::tri::Tri;
pub mod reg;
pub use crate::reg::Reg;

/// Polygon trait for structs representing 2-dimensional shapes.
pub trait Polygon {
    fn area(&self) -> Option<f64>;
    fn peri(&self) -> Option<f64>;
    fn angles(&self) -> Option<Vec<f64>>;
}

/// Enum of all the polygon types
pub enum Poly {
    Rect(Rect),
    Circle(Circle),
    Tri(Tri),
    Reg(Reg),
}