Re: Syntax for Static Import of User Define Attributes
Whenever there might be symbol clash, or when i want to make sure
i can identify where something from from i do:
```d
import me = my.awesome.module;
void main() {
me.hi();
}
```
Re: Syntax for Static Import of User Define Attributes
On Friday, 28 July 2023 at 12:20:05 UTC, Steven Schveighoffer
wrote:
On 7/28/23 8:10 AM, Vijay Nayar wrote:
It might be possible to expand the grammar. It seems very
specific to UDAs, as it doesn't just throw out `Expression` or
whatnot. It probably has to do with the spot that it's in
(declaration).
Yes, parsing arbitrary expressions after an `@` would result in
this:
```D
void f(int x) @att in (x > 0) { }
```
Being parsed as:
```D
void f(int x) @(att in (x > 0)) { }
```
And things like `@3 + 3` don't look like they would be parsed as
`@(3 + 3)`, it looks like `(@3) + 3`.
So the syntax as `@(expression)` to make it clear where the
expression ends. Then there's `@identifier` and
`@identifier(args)` as shorthand for common cases that do look
clear. I recently added `@TemplateSingleArgument` so you can do
`@"abc"` or `@3` as well. Perhaps the syntax can be expanded to
allow `@a.b.c(d)` as well, as well as `@a.b.c!d`, though there's
a risk of the rules getting convoluted.
Re: Syntax for Static Import of User Define Attributes
On 7/28/23 8:10 AM, Vijay Nayar wrote: However, this makes me wonder. Is there any reason why the `@` shouldn't recognize the dots in a fully-qualified-name on its own, without the need for parentheses? It might be possible to expand the grammar. It seems very specific to UDAs, as it doesn't just throw out `Expression` or whatnot. It probably has to do with the spot that it's in (declaration). I'll defer to the compiler experts to decide what makes the most sense. -Steve
Re: Syntax for Static Import of User Define Attributes
On Friday, 28 July 2023 at 11:54:12 UTC, Steven Schveighoffer wrote: On 7/28/23 4:15 AM, Vijay Nayar wrote: I tried it and it worked for me. The template-argument syntax is normal. It's just a list of types or expressions (i.e. not a function argument list) What is the error? -Steve You're right, I must have tried something slightly different without realizing it. The syntax that works seems to be to enclose the entire fully-qualified-name of the user-defined-attribute along with all its arguments within parentheses. However, this makes me wonder. Is there any reason why the `@` shouldn't recognize the dots in a fully-qualified-name on its own, without the need for parentheses?
Re: Syntax for Static Import of User Define Attributes
On 7/28/23 4:15 AM, Vijay Nayar wrote:
On Thursday, 27 July 2023 at 21:24:44 UTC, Dennis wrote:
On Thursday, 27 July 2023 at 21:19:08 UTC, Vijay Nayar wrote:
Attempted Fix 2: Enclose the entire attribute name in parenthesis.
```
static import vibe.data.serialization;
class ChatCompletionFunctions {
@(vibe.data.serialization.name)("name")
...
}
```
Try:
```D
@(vibe.data.serialization.name("name"))
```
This one causes a different error, because it invokes the
template-argument syntax: https://dlang.org/spec/attribute.html#uda
I tried it and it worked for me. The template-argument syntax is normal.
It's just a list of types or expressions (i.e. not a function argument list)
What is the error?
-Steve
Re: Syntax for Static Import of User Define Attributes
On Thursday, 27 July 2023 at 21:24:44 UTC, Dennis wrote:
On Thursday, 27 July 2023 at 21:19:08 UTC, Vijay Nayar wrote:
Attempted Fix 2: Enclose the entire attribute name in
parenthesis.
```
static import vibe.data.serialization;
class ChatCompletionFunctions {
@(vibe.data.serialization.name)("name")
...
}
```
Try:
```D
@(vibe.data.serialization.name("name"))
```
This one causes a different error, because it invokes the
template-argument syntax:
https://dlang.org/spec/attribute.html#uda
Re: Syntax for Static Import of User Define Attributes
On Thursday, 27 July 2023 at 21:19:08 UTC, Vijay Nayar wrote:
Attempted Fix 2: Enclose the entire attribute name in
parenthesis.
```
static import vibe.data.serialization;
class ChatCompletionFunctions {
@(vibe.data.serialization.name)("name")
...
}
```
Try:
```D
@(vibe.data.serialization.name("name"))
```
Re: Syntax for Static Import of User Define Attributes
On Thursday, 27 July 2023 at 21:19:08 UTC, Vijay Nayar wrote:
Attempted Fix 2: Enclose the entire attribute name in
parenthesis.
```
static import vibe.data.serialization;
class ChatCompletionFunctions {
@(vibe.data.serialization.name)("name")
...
}
```
You almost had it. The correct syntax is to enclose the entire
attribute (not just the name) in parentheses:
```
class ChatCompletionFunctions {
@(vibe.data.serialization.name("name"))
string name;
}
```
