nonzero 0.2.0

Statically checked non-zero integers
Documentation 
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use core::num::{
    NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI8, NonZeroIsize, NonZeroU16, NonZeroU32,
    NonZeroU64, NonZeroU8, NonZeroUsize,
};
use nonzero::nonzero as nz;

#[test]
fn test() {
    // unsigned integers
    assert_eq!(nz!(1usize), NonZeroUsize::new(1).unwrap());
    assert_eq!(nz!(1u8), NonZeroU8::new(1).unwrap());
    assert_eq!(nz!(1u16), NonZeroU16::new(1).unwrap());
    assert_eq!(nz!(1u32), NonZeroU32::new(1).unwrap());
    assert_eq!(nz!(1u64), NonZeroU64::new(1).unwrap());

    // signed integers
    assert_eq!(nz!(1isize), NonZeroIsize::new(1).unwrap());
    assert_eq!(nz!(1i8), NonZeroI8::new(1).unwrap());
    assert_eq!(nz!(1i16), NonZeroI16::new(1).unwrap());
    assert_eq!(nz!(1i32), NonZeroI32::new(1).unwrap());
    assert_eq!(nz!(1i64), NonZeroI64::new(1).unwrap());

    // negative signed integers
    assert_eq!(nz!(-1isize), NonZeroIsize::new(-1).unwrap());
    assert_eq!(nz!(-1i8), NonZeroI8::new(-1).unwrap());
    assert_eq!(nz!(-1i16), NonZeroI16::new(-1).unwrap());
    assert_eq!(nz!(-1i32), NonZeroI32::new(-1).unwrap());
    assert_eq!(nz!(-1i64), NonZeroI64::new(-1).unwrap());
}