pub struct Global;
The global memory allocator.
This type implements the
Allocator trait by forwarding calls
to the allocator registered with the
if there is one, or the
std crate’s default.
Note: while this type is unstable, the functionality it provides can be
accessed through the free functions in
allocate, but also ensures that the returned memory is zero-initialized. Read more
ptr. Read more
grow, but also ensures that the new contents are set to zero before being returned. Read more
Returns the argument unchanged.