range-traits 0.3.0

pub trait MaybeBounded: Sized {
    fn min() -> Option<Self>;
	fn max() -> Option<Self>;
}

pub trait Bounded {
    fn min() -> Self;
	fn max() -> Self;
}

impl<T: Bounded> MaybeBounded for T {
	fn min() -> Option<Self> {
		Some(Self::min())
	}

	fn max() -> Option<Self> {
		Some(Self::max())
	}
}

impl Bounded for char {
	fn min() -> Self {
		'\0'
	}

	fn max() -> Self {
		char::MAX
	}
}

macro_rules! impl_int {
	($($ty:ident),*) => {
		$(
			impl Bounded for $ty {
				fn min() -> Self {
					$ty::MIN
				}
			
				fn max() -> Self {
					$ty::MAX
				}
			}
		)*
	};
}

impl_int!(u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize);

macro_rules! impl_float {
	($($ty:ident),*) => {
		$(
			impl Bounded for $ty {
				fn min() -> Self {
					$ty::NEG_INFINITY
				}
			
				fn max() -> Self {
					$ty::INFINITY
				}
			}
		)*
	};
}

impl_float!(f32, f64);