bug in doc?
spir
denis.spir at gmail.com
Thu Mar 14 19:46:30 UTC 2019
On 14/03/2019 15:52, H. S. Teoh via Digitalmars-d-learn wrote:
> On Thu, Mar 14, 2019 at 03:22:52PM +0100, spir via Digitalmars-d-learn wrote:
>> https://dlang.org/spec/hash-map.html#static_initialization:
>>
>> immutable long[string] aa = [
>> "foo": 5,
>> "bar": 10,
>> "baz": 2000
>> ];
>>
>> ==> Error: non-constant expression `["foo":5L, "bar":10L, "baz":2000L]`
>>
>> Also: I don't understand the error message:
>> * What is non-constant in the *expression*?
>> * And why should it be constant at all?
>> (Removing "immutable" does not help...)
> [...]
>
> It's a well-known limitation. The workaround is:
>
> immutable long[string] aa;
> static this() {
> aa = [
> "foo" : 5,
> ...
> ];
> }
All right! No language has to be perfect... (I'm joking). But the doc (the
language ref for the matter) should definitely say what you just explained
above, shouldn't they? I actually think clearly stating limitations is a +++.
(Like an industry company that does not make perfect product but has great
client support.)
diniz
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