March 09, 2018
Can we return a literal struct value straight from a return statement ?

ie something like
mystruct_t myfunc()
    { // ... blah
    return { field1: val1, field2: val2; };
    }
assuming that the return type is defined suitably, and the struct is just a C struct, plain-old-data (ie not a C++-like class).

I've had to set up a throwaway const item, initialised, and then had to return that.
March 09, 2018
On Fri, Mar 09, 2018 at 09:30:53PM +0000, Cecil Ward via Digitalmars-d-learn wrote:
> Can we return a literal struct value straight from a return statement?
> 
> ie something like
> mystruct_t myfunc()
>     { // ... blah
>     return { field1: val1, field2: val2; };
>     }
> assuming that the return type is defined suitably, and the struct is
> just a C struct, plain-old-data (ie not a C++-like class).

The usual D idiom is to write:

	mystruct_t myfunc() {
		return mystruct_t(val1, val2);
	}

Unfortunately, AFAIK at this time there's no way to write field names as well, so you'll have to rely on the struct's field order or the ctor's parameter order.  (But I could be wrong.)


T

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