a function like writeln that returns a string rather than writes to a file

Steven Schveighoffer schveiguy at gmail.com
Sat May 2 02:49:04 UTC 2020


On 5/1/20 10:40 PM, dan wrote:
> On Saturday, 2 May 2020 at 02:29:43 UTC, H. S. Teoh wrote:
>> On Sat, May 02, 2020 at 02:22:42AM +0000, dan via Digitalmars-d-learn 
>> wrote:
>>> I'm looking for a function something like writeln or write, but 
>>> instead of writing to stdout, it writes to a string and returns the 
>>> string.
>> [...]
>>
>>     import std.format : format;
>>     string str = format("%s %s %s", obj1, obj2, obj3);
>>
>>
>> T
> 
> Thanks HS!
> 
> That looks like a good move, if format will do the string conversion for 
> me.
> 
> But one thing that would be troublesome is that i would have to make 
> sure to count up the %s so that they match the number of arguments.  I 
> would like to do without that, just like writeln does.

import std.conv: text;

string str = text(obj1, " ", obj2, " ", obj3);

-Steve


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