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**Describe the bug**
A Cpp2 function expression cannot capture a reference to a callable passed via a forwarding reference (and then call it), meaning that the callable has to be copy constructed ins…
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Suppose I have a type
```
using Functors
struct Foo{T1,T2}
x::T2
Foo{T1}(x::T2) where {T1,T2} = new{T1,T2}(x)
end
```
Then using
```
@functor Foo
```
will not manage to capture the `T1…
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### bug描述 Describe the Bug
Fail to build paddle with develop branch with CUDA12.5 + GCC11.3. According to the error message, the `libphi_core.so` has declarations of phi GPU functors.
```sh
[49/9…
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**Link:** https://wg21.link/lwg2562
cjdb updated
3 months ago
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Can we have `(Coercble a b, Functor f) => Coercible (f a) (f b)` ?
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I suggest that functors should be represented in a more direct way, instead of indirectly as morphisms in the category of categories.
For a category, CAP keeps two distinct objects: The category in…
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I have three categories A, B and C, and two functors F : A -> B and G : B -> C, where F is covariant and G is contravariant.
I want to compose the two functors by calling `PreCompose( F, G )`. Thi…
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Currently, broadcasting is heavily specialized to work with array-like (i.e. linear, indexable, and finite) data structures. However, the notion of mapping a function over a parameterized datatype `F{…
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It doesn't look like the library has a notion of equivalences between wild categories. I might have just been looking in the wrong places, so please feel free to correct me on this. However, if one we…
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From Vanya:
> In [LoKi functors lesson](https://lhcb.github.io/starterkit-lessons/first-analysis-steps/loki-functors.html), one probably can avoid a long paragraph with discussions on VFASPF, there…