• Cecil Ward (11/11) Mar 09 2018 Can we return a literal struct value straight from a return
• H. S. Teoh (11/20) Mar 09 2018 The usual D idiom is to write:

Cecil Ward <d cecilward.com> writes:

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.

"H. S. Teoh" <hsteoh quickfur.ath.cx> writes:

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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