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Zhao Liu
7da9ee9207
Similar to MemoryRegionOps, the builder pattern has two advantages: 1) it makes it possible to build a VMStateDescription that knows which types it will be invoked on; 2) it provides a way to wrap the callbacks and let devices avoid "unsafe". Unfortunately, building a static VMStateDescription requires the builder methods to be "const", and because the VMStateFields are *also* static, this requires const_refs_static. So this requires Rust 1.83.0. Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250908105005.2119297-8-pbonzini@redhat.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>