pub trait Bounded: Sized {
const MIN: Self;
const MAX: Self;
}
impl Bounded for char {
const MIN: char = '\0';
const MAX: char = char::MAX;
}
macro_rules! impl_int {
($($ty:ident),*) => {
$(
impl Bounded for $ty {
const MIN: Self = $ty::MIN;
const 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 {
const MIN: Self = $ty::NEG_INFINITY;
const MAX: Self = $ty::INFINITY;
}
)*
};
}
impl_float!(f32, f64);