immutable method not callable using argument types () - doesn't make sense

Lee Braiden leebraid at gmail.com
Wed Feb 6 15:13:12 PST 2013


On Tuesday, 9 October 2012 at 22:47:16 UTC, denizzzka wrote:
> On Tuesday, 27 March 2012 at 12:57:18 UTC, bearophile wrote:
>> Steven Schveighoffer:
>>
>>> So what the compiler is saying is that you can't call dup 
>>> with arguments (), you must call it with arguments '() 
>>> immutable', meaning you must call it on an immutable B, not a 
>>> mutable B.
>>
>> Any space for compiler error message improvements here?
>
> +1, spent two hours with a similar problem

+2.  I wasted a little time on this too.  Not much, but 
frustratingly more than necessary.

Why someone would write that error message makes SOME sense when 
explained, but the error message itself is still non-sensical ;)


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