@property for simple methods?
Vladimirs Nordholm
v at vladde.net
Mon Apr 2 14:51:57 UTC 2018
On Monday, 2 April 2018 at 14:20:49 UTC, Dennis wrote:
> On Monday, 2 April 2018 at 13:57:14 UTC, Vladimirs Nordholm
> wrote:
>> Is there any reason for me to add the @property tags for the
>> method?
>
> A list of things the @property tag does can be found here:
> https://dlang.org/spec/function.html#property-functions
>
> This behavior is particularly useful for generic code:
> "For the expression typeof(exp) where exp is an @property
> function, the type is the return type of the function, rather
> than the type of the function."
>
> Before I knew about this, I wrote this template to get the type
> of 'field', because typeof(field) would return 'int()' instead
> of 'int' when it was a getter function without @property.
>
> ```
> template ReturnOrValueType(type)
> {
> static if (isSomeFunction!(type.field)) {
> alias ReturnOrValueType = ReturnType!(typeof(type.field));
> }
> else {
> alias ReturnOrValueType = typeof(type.field);
> }
> }
> ```
Ah! First time I read the docs I didn't understand the
typeof(exp) explanation, but yours made me understand that part.
Do you think I should I omit the @property tag, if the only
wanted behaviour is to set a value (`foo.bar = "baz";`) ?
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