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Rollup merge of #89778 - jkugelman:must-use-as_type-conversions, r=joshtriplett

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Add #[must_use] to as_type conversions

Clippy missed these:

```rust
alloc::string::String   fn as_mut_str(&mut self) -> &mut str;
core::mem::NonNull<T>   unsafe fn as_uninit_mut<'a>(&mut self) -> &'a MaybeUninit<T>;
str                     unsafe fn as_bytes_mut(&mut self) -> &mut [u8];
str                     fn as_mut_ptr(&mut self) -> *mut u8;
```

Parent issue: #89692

r? ````@joshtriplett````
This commit is contained in:
the8472
2021-10-12 14:53:08 +02:00
committed by GitHub
parent 9475e609b8 06e625f7d5
commit b55a3c5d15
19 changed files with 54 additions and 0 deletions
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6
library/core/src/time.rs
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@@ -334,6 +334,7 @@ impl Duration {
/// [`subsec_nanos`]: Duration::subsec_nanos
#[stable(feature = "duration", since = "1.3.0")]
#[rustc_const_stable(feature = "duration", since = "1.32.0")]
#[must_use]
#[inline]
pub const fn as_secs(&self) -> u64 {
self.secs
@@ -417,6 +418,7 @@ impl Duration {
/// ```
#[stable(feature = "duration_as_u128", since = "1.33.0")]
#[rustc_const_stable(feature = "duration_as_u128", since = "1.33.0")]
#[must_use]
#[inline]
pub const fn as_millis(&self) -> u128 {
self.secs as u128 * MILLIS_PER_SEC as u128 + (self.nanos / NANOS_PER_MILLI) as u128
@@ -434,6 +436,7 @@ impl Duration {
/// ```
#[stable(feature = "duration_as_u128", since = "1.33.0")]
#[rustc_const_stable(feature = "duration_as_u128", since = "1.33.0")]
#[must_use]
#[inline]
pub const fn as_micros(&self) -> u128 {
self.secs as u128 * MICROS_PER_SEC as u128 + (self.nanos / NANOS_PER_MICRO) as u128
@@ -451,6 +454,7 @@ impl Duration {
/// ```
#[stable(feature = "duration_as_u128", since = "1.33.0")]
#[rustc_const_stable(feature = "duration_as_u128", since = "1.33.0")]
#[must_use]
#[inline]
pub const fn as_nanos(&self) -> u128 {
self.secs as u128 * NANOS_PER_SEC as u128 + self.nanos as u128
@@ -674,6 +678,7 @@ impl Duration {
/// assert_eq!(dur.as_secs_f64(), 2.7);
/// ```
#[stable(feature = "duration_float", since = "1.38.0")]
#[must_use]
#[inline]
#[rustc_const_unstable(feature = "duration_consts_2", issue = "72440")]
pub const fn as_secs_f64(&self) -> f64 {
@@ -692,6 +697,7 @@ impl Duration {
/// assert_eq!(dur.as_secs_f32(), 2.7);
/// ```
#[stable(feature = "duration_float", since = "1.38.0")]
#[must_use]
#[inline]
#[rustc_const_unstable(feature = "duration_consts_2", issue = "72440")]
pub const fn as_secs_f32(&self) -> f32 {