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体验新版 GitCode,发现更多精彩内容 >>
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9126a24e
编写于
12月 01, 2014
作者:
J
Jorge Aparicio
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
libstd: convert `Duration` binops to by value
上级
32168faf
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
64 addition
and
0 deletion
+64
-0
src/libstd/time/duration.rs
src/libstd/time/duration.rs
+64
-0
未找到文件。
src/libstd/time/duration.rs
浏览文件 @
9126a24e
...
...
@@ -276,6 +276,8 @@ fn neg(&self) -> Duration {
}
}
// NOTE(stage0): Remove impl after a snapshot
#[cfg(stage0)]
impl
Add
<
Duration
,
Duration
>
for
Duration
{
fn
add
(
&
self
,
rhs
:
&
Duration
)
->
Duration
{
let
mut
secs
=
self
.secs
+
rhs
.secs
;
...
...
@@ -288,6 +290,21 @@ fn add(&self, rhs: &Duration) -> Duration {
}
}
#[cfg(not(stage0))]
// NOTE(stage0): Remove cfg after a snapshot
impl
Add
<
Duration
,
Duration
>
for
Duration
{
fn
add
(
self
,
rhs
:
Duration
)
->
Duration
{
let
mut
secs
=
self
.secs
+
rhs
.secs
;
let
mut
nanos
=
self
.nanos
+
rhs
.nanos
;
if
nanos
>=
NANOS_PER_SEC
{
nanos
-=
NANOS_PER_SEC
;
secs
+=
1
;
}
Duration
{
secs
:
secs
,
nanos
:
nanos
}
}
}
// NOTE(stage0): Remove impl after a snapshot
#[cfg(stage0)]
impl
Sub
<
Duration
,
Duration
>
for
Duration
{
fn
sub
(
&
self
,
rhs
:
&
Duration
)
->
Duration
{
let
mut
secs
=
self
.secs
-
rhs
.secs
;
...
...
@@ -300,6 +317,21 @@ fn sub(&self, rhs: &Duration) -> Duration {
}
}
#[cfg(not(stage0))]
// NOTE(stage0): Remove cfg after a snapshot
impl
Sub
<
Duration
,
Duration
>
for
Duration
{
fn
sub
(
self
,
rhs
:
Duration
)
->
Duration
{
let
mut
secs
=
self
.secs
-
rhs
.secs
;
let
mut
nanos
=
self
.nanos
-
rhs
.nanos
;
if
nanos
<
0
{
nanos
+=
NANOS_PER_SEC
;
secs
-=
1
;
}
Duration
{
secs
:
secs
,
nanos
:
nanos
}
}
}
// NOTE(stage0): Remove impl after a snapshot
#[cfg(stage0)]
impl
Mul
<
i32
,
Duration
>
for
Duration
{
fn
mul
(
&
self
,
rhs
:
&
i32
)
->
Duration
{
// Multiply nanoseconds as i64, because it cannot overflow that way.
...
...
@@ -310,6 +342,19 @@ fn mul(&self, rhs: &i32) -> Duration {
}
}
#[cfg(not(stage0))]
// NOTE(stage0): Remove cfg after a snapshot
impl
Mul
<
i32
,
Duration
>
for
Duration
{
fn
mul
(
self
,
rhs
:
i32
)
->
Duration
{
// Multiply nanoseconds as i64, because it cannot overflow that way.
let
total_nanos
=
self
.nanos
as
i64
*
rhs
as
i64
;
let
(
extra_secs
,
nanos
)
=
div_mod_floor_64
(
total_nanos
,
NANOS_PER_SEC
as
i64
);
let
secs
=
self
.secs
*
rhs
as
i64
+
extra_secs
;
Duration
{
secs
:
secs
,
nanos
:
nanos
as
i32
}
}
}
// NOTE(stage0): Remove impl after a snapshot
#[cfg(stage0)]
impl
Div
<
i32
,
Duration
>
for
Duration
{
fn
div
(
&
self
,
rhs
:
&
i32
)
->
Duration
{
let
mut
secs
=
self
.secs
/
*
rhs
as
i64
;
...
...
@@ -328,6 +373,25 @@ fn div(&self, rhs: &i32) -> Duration {
}
}
#[cfg(not(stage0))]
// NOTE(stage0): Remove cfg after a snapshot
impl
Div
<
i32
,
Duration
>
for
Duration
{
fn
div
(
self
,
rhs
:
i32
)
->
Duration
{
let
mut
secs
=
self
.secs
/
rhs
as
i64
;
let
carry
=
self
.secs
-
secs
*
rhs
as
i64
;
let
extra_nanos
=
carry
*
NANOS_PER_SEC
as
i64
/
rhs
as
i64
;
let
mut
nanos
=
self
.nanos
/
rhs
+
extra_nanos
as
i32
;
if
nanos
>=
NANOS_PER_SEC
{
nanos
-=
NANOS_PER_SEC
;
secs
+=
1
;
}
if
nanos
<
0
{
nanos
+=
NANOS_PER_SEC
;
secs
-=
1
;
}
Duration
{
secs
:
secs
,
nanos
:
nanos
}
}
}
impl
fmt
::
Show
for
Duration
{
fn
fmt
(
&
self
,
f
:
&
mut
fmt
::
Formatter
)
->
fmt
::
Result
{
// technically speaking, negative duration is not valid ISO 8601,
...
...
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