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Allow arg_enum! to work with #[repr(c)] #543

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lilith opened this issue Jun 25, 2016 · 2 comments
Closed

Allow arg_enum! to work with #[repr(c)] #543

lilith opened this issue Jun 25, 2016 · 2 comments
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C-enhancement Category: Raise on the bar on expectations

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@lilith
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lilith commented Jun 25, 2016

Goal: make this possible:

arg_enum!{
    #[repr(C)]
    #[derive(Copy,Clone)]
    pub enum Filter { A=0, B = 1}
}

I have an enum with 30 variants, or manually implementing from_str would be obvious.
@kbknapp
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kbknapp commented Jun 25, 2016

Thanks for filing this. This should be a very quick fix, I'll see if I can knock it out when I get home tonight.

@lilith
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lilith commented Jun 25, 2016

No rush! Just a convenience thing, I have a workaround.
On Jun 25, 2016 1:21 PM, "Kevin K." [email protected] wrote:

Thanks for filing this. This should be a very quick fix, I'll see if I can
knock it out when I get home tonight.

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@kbknapp kbknapp added C-enhancement Category: Raise on the bar on expectations P4: nice to have labels Jun 26, 2016
kbknapp added a commit that referenced this issue Jun 28, 2016
@kbknapp
imp(arg_enum!): allows using meta items like repr(C) with arg_enum!s
edf9b23 
One can now use more than one meta item, and things like `#[repr(C)]`

Example:

```rust

arg_enum! {
	#[repr(C)]
	#[derive(Debug)]
	pub enum MyEnum {
		A=1,
		B=2
	}
}

```

Closes #543
@kbknapp kbknapp mentioned this issue Jun 28, 2016
Merged
homu added a commit that referenced this issue Jun 28, 2016
@homu
Auto merge of #544 - kbknapp:issue-543, r=kbknapp
af45259 
imp(arg_enum!): allows using meta items like repr(C) with arg_enum!s

One can now use more than one meta item, and things like `#[repr(C)]`

Example:

```rust

arg_enum! {
	#[repr(C)]
	#[derive(Debug)]
	pub enum MyEnum {
		A=1,
		B=2
	}
}

```

Closes #543
homu added a commit that referenced this issue Jun 28, 2016
@homu
Auto merge of #544 - kbknapp:issue-543, r=kbknapp
3d5d865 
imp(arg_enum!): allows using meta items like repr(C) with arg_enum!s

One can now use more than one meta item, and things like `#[repr(C)]`

Example:

```rust

arg_enum! {
	#[repr(C)]
	#[derive(Debug)]
	pub enum MyEnum {
		A=1,
		B=2
	}
}

```

Closes #543
@homu homu closed this as completed in #544 Jun 28, 2016
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@lilith @kbknapp