enum-as-inner 0.7.0

A proc-macro for deriving inner field accessor functions on enums.
Documentation 
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//! Generic unit tests for enum_as_inner crate.

use enum_as_inner::EnumAsInner;

pub mod name_collisions {
    #![allow(dead_code, missing_copy_implementations, missing_docs)]
    pub struct Option;
    pub struct Some;
    pub struct None;
    pub struct Result;
    pub struct Ok;
    pub struct Err;
}
#[allow(unused_imports)]
use name_collisions::*;

#[allow(dead_code)]
#[derive(Debug, Clone, Copy, EnumAsInner)]
enum WithGenerics<T: Clone + Copy> {
    A(T),
    B(T),
}

#[test]
fn with_generics() {
    let mut with_generics = WithGenerics::A(100);

    assert!(with_generics.is_a());
    assert!(!with_generics.is_b());

    assert!(with_generics.as_a().is_some());
    assert!(with_generics.as_b().is_none());

    assert_eq!(with_generics.into_a().unwrap(), 100);
    assert_eq!(*with_generics.as_a().unwrap(), 100);
    assert_eq!(*with_generics.as_a_mut().unwrap(), 100);
    unsafe {
        assert_eq!(with_generics.into_a_unchecked(), 100);
        assert_eq!(*with_generics.as_a_unchecked(), 100);
        assert_eq!(*with_generics.as_a_mut_unchecked(), 100);
    }

    assert!(with_generics.into_b().is_err());
    assert!(with_generics.as_b().is_none());
    assert!(with_generics.as_b_mut().is_none());
}