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Diffstat (limited to 'third_party/rust/net2/src/utils.rs')
-rw-r--r-- | third_party/rust/net2/src/utils.rs | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/third_party/rust/net2/src/utils.rs b/third_party/rust/net2/src/utils.rs new file mode 100644 index 0000000000..21fe9d61fc --- /dev/null +++ b/third_party/rust/net2/src/utils.rs @@ -0,0 +1,51 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + + +#[doc(hidden)] +pub trait NetInt { + fn from_be(i: Self) -> Self; + fn to_be(&self) -> Self; +} +macro_rules! doit { + ($($t:ident)*) => ($(impl NetInt for $t { + fn from_be(i: Self) -> Self { <$t>::from_be(i) } + fn to_be(&self) -> Self { <$t>::to_be(*self) } + })*) +} +doit! { i8 i16 i32 i64 isize u8 u16 u32 u64 usize } + +#[doc(hidden)] +pub trait One { + fn one() -> Self; +} + +macro_rules! one { + ($($t:ident)*) => ($( + impl One for $t { fn one() -> $t { 1 } } + )*) +} + +one! { i8 i16 i32 i64 isize u8 u16 u32 u64 usize } + + +#[doc(hidden)] +pub trait Zero { + fn zero() -> Self; +} + +macro_rules! zero { + ($($t:ident)*) => ($( + impl Zero for $t { fn zero() -> $t { 0 } } + )*) +} + +zero! { i8 i16 i32 i64 isize u8 u16 u32 u64 usize } + |