| @@ -74,10 +74,13 @@ pub struct Ipv4Addr { |
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octets: [u8; 4], |
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} |
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+#[stable(feature = "rust1", since = "1.0.0")] |
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impl Hash for Ipv4Addr { |
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fn hash<H: Hasher>(&self, state: &mut H) { |
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// Hashers are often more efficient at hashing a fixed-width integer |
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-// than a bytestring, so convert before hashing. |
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+// than a bytestring, so convert before hashing. We don't use to_bits() |
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+// here as that involves a byteswap on little-endian machines, which are |
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+// more common than big-endian machines. |
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u32::from_le_bytes(self.octets).hash(state); |
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} |
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} |
| @@ -164,10 +167,13 @@ pub struct Ipv6Addr { |
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octets: [u8; 16], |
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} |
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+#[stable(feature = "rust1", since = "1.0.0")] |
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impl Hash for Ipv6Addr { |
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fn hash<H: Hasher>(&self, state: &mut H) { |
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// Hashers are often more efficient at hashing a fixed-width integer |
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-// than a bytestring, so convert before hashing. |
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+// than a bytestring, so convert before hashing. We don't use to_bits() |
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+// here as that involves byteswaps on little-endian machines, which are |
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+// more common than big-endian machines. |
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u128::from_le_bytes(self.octets).hash(state); |
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} |
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} |