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Mojo function

unread_pointer

def unread_pointer[T: OptionalPointer]() -> T

Returns a placeholder T for an operand that will never be dereferenced.

For defaulting an argument whose pointer type is shared with another operand but which the comptime configuration never reads, e.g. extra_topk_lengths without an extra KV cache. A non-null T gets a dangling pointer.

Parameters:

• ​T (OptionalPointer): The OptionalPointer type.

Returns:

T: A null or dangling value typed as T.