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-rw-r--r--third_party/rust/net2/src/utils.rs51
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
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+++ b/third_party/rust/net2/src/utils.rs
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+// 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 }
+