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/// The hasher used to compare layouts. #[derive(Debug)] pub struct Hasher(twox_hash::XxHash64); impl Default for Hasher { fn default() -> Self { Hasher(twox_hash::XxHash64::default()) } } impl core::hash::Hasher for Hasher { fn write(&mut self, bytes: &[u8]) { self.0.write(bytes) } fn finish(&self) -> u64 { self.0.finish() } }