Hi,
I would like to create a non-pointer constraint for a generic function.
For example:
```
func F[T NonPtr](p T) {
// do something with p
}
```
Such that
```
F(MyStruct{}) // allowed
F(&MyStruct{}) // disallowed, compile time
```
I'm aiming to ensure, in compile-time, that a generic function, which is
intended to work with values only, cannot be misused by passing in a
pointer. (I can provide more context on my use case if needed.) While this
could be enforced with a custom linter, I feel this should be a built-in
capability of the language. From what I understand, though, this feature
isn’t currently supported.
What do you think?
Thanks!
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