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Auto merge of #32050 - achanda:from-slice-v4, r=alexcrichton

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Add an impl for From trait

Converts a u8 slice to a Ipv4Addr
More discussion on this here: https://github.com/rust-lang/rfcs/pull/1498#issuecomment-191921655
This commit is contained in:
bors
2016-03-18 17:30:22 -07:00
parent 02954ae0a8 ee18d8e99b
commit 10bdd808b5
1 changed files with 12 additions and 0 deletions
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12
src/libstd/net/ip.rs
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@@ -279,6 +279,13 @@ impl From<u32> for Ipv4Addr {
} }
} }
#[stable(feature = "from_slice_v4", since = "1.9.0")]
impl From<[u8; 4]> for Ipv4Addr {
fn from(octets: [u8; 4]) -> Ipv4Addr {
Ipv4Addr::new(octets[0], octets[1], octets[2], octets[3])
}
}
impl Ipv6Addr { impl Ipv6Addr {
/// Creates a new IPv6 address from eight 16-bit segments. /// Creates a new IPv6 address from eight 16-bit segments.
/// ///
@@ -831,6 +838,11 @@ mod tests {
assert_eq!(Ipv4Addr::from(2130706433), a); assert_eq!(Ipv4Addr::from(2130706433), a);
} }
#[test]
fn ipv4_from_u32_slice() {
assert_eq!(Ipv4Addr::from([127, 0, 0, 1]), Ipv4Addr::new(127, 0, 0, 1))
}
#[test] #[test]
fn ord() { fn ord() {
assert!(Ipv4Addr::new(100, 64, 3, 3) < Ipv4Addr::new(192, 0, 2, 2)); assert!(Ipv4Addr::new(100, 64, 3, 3) < Ipv4Addr::new(192, 0, 2, 2));