pub trait MutexSyncOpsWithInteriorMutability {
type ModifyInput;
type ModifyOutput;
// Required method
fn modify(&self, input: Self::ModifyInput) -> Self::ModifyOutput;
}
pub trait MutexSyncOpsWithInteriorMutability {
type ModifyInput;
type ModifyOutput;
// Required method
fn modify(&self, input: Self::ModifyInput) -> Self::ModifyOutput;
}