fn compare_exchange()

in atomics/src/macros/float.rs [50:61]


            fn compare_exchange(
                &self,
                current: Self::Primitive,
                new: Self::Primitive,
                success: Ordering,
                failure: Ordering,
            ) -> Result<Self::Primitive, Self::Primitive> {
                self.inner
                    .compare_exchange(current.to_bits(), new.to_bits(), success, failure)
                    .map(<$type>::from_bits)
                    .map_err(<$type>::from_bits)
            }