Expand description

This crate provides mm and mm2 newtype structs. These can be used both as an indication that a value is expected to have a certain unit, as well as to prove at compile time that your computation yields the unit you expect it to.

Example

use millimeter::{mm, mm2, Unit};

#[derive(Clone, Copy, Default)]
pub struct Point {
	x: mm,
	y: mm
}

#[derive(Clone, Copy)]
pub struct Rectangle {
	top_left: Point,
	bottom_right: Point
}

impl Rectangle {
	pub fn one_inch_square(top_left: Point) -> Self {
		Self {
			top_left,
			bottom_right: Point {
				x: top_left.x + 1.0.inch(),
				y: top_left.y + 1.0.inch()
			}
		}
	}

	pub fn area(&self) -> mm2 {
		(self.bottom_right.x - self.top_left.x) * (self.bottom_right.y - self.top_left.y)
	}

	pub fn diagonal_len(&self) -> mm {
		let a = self.bottom_right.x - self.top_left.x;
		let b = self.bottom_right.y - self.top_left.y;
		(a*a + b*b).sqrt()
	}
}

Structs

Traits