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Stabilize dbg!(...) #56395

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@Centril @SimonSapin @bors @pietroalbini @RoelKluin @rust-highfive
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Centril commented Dec 1, 2018

Per FCP in #54306 (which is ~1 day from completion).

r? @SimonSapin

The PR is fairly isolated so a rollup should probably work.
@Centril
stabilize std::dbg!(...)
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f4cde5b

@Centril Centril added the relnotes label Dec 1, 2018

@rust-highfive rust-highfive assigned SimonSapin Dec 1, 2018

@rust-highfive rust-highfive added the S-waiting-on-review label Dec 1, 2018

@Centril Centril referenced this pull request Dec 1, 2018

Closed

Tracking issue for RFC 2361, "Simpler alternative dbg!() macro" #54306

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SimonSapin commented Dec 1, 2018

@bors r+ rollup
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bors commented Dec 1, 2018

📌 Commit f4cde5b has been approved by SimonSapin

@bors bors added S-waiting-on-bors and removed S-waiting-on-review labels Dec 1, 2018

Mark-Simulacrum added a commit to Mark-Simulacrum/rust that referenced this pull request Dec 1, 2018

@Mark-Simulacrum
Rollup merge of rust-lang#56395 - Centril:stabilize-dbg-macro, r=Simo… 
…nSapin

Stabilize dbg!(...)

Per FCP in rust-lang#54306 (which is ~1 day from completion).

r? @SimonSapin

The PR is fairly isolated so a rollup should probably work.
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964d722

@Mark-Simulacrum Mark-Simulacrum referenced this pull request Dec 1, 2018

Closed

Rollup of 9 pull requests #56408

bors added a commit that referenced this pull request Dec 1, 2018

@bors
Auto merge of #56408 - Mark-Simulacrum:rollup, r=Mark-Simulacrum 
Rollup of 9 pull requests

Successful merges:

 - #55010 (Add template parameter debuginfo to generic types)
 - #56110 (Consider references and unions potentially inhabited during privacy-respecting inhabitedness checks)
 - #56305 (update miri)
 - #56372 (Refer to the second borrow as the "second borrow" in E0501.rs)
 - #56394 (Deal with EINTR in net timeout tests)
 - #56395 (Stabilize dbg!(...))
 - #56402 (Improve the unstable book example for #56408 [marker] trait)
 - #56406 (Update RLS and Rustfmt)
 - #56366 (Stabilize self_in_typedefs feature)

Failed merges:

r? @ghost
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5a0257f

Centril added a commit to Centril/rust that referenced this pull request Dec 1, 2018

@Centril
Rollup merge of rust-lang#56395 - Centril:stabilize-dbg-macro, r=Simo… 
…nSapin

Stabilize dbg!(...)

Per FCP in rust-lang#54306 (which is ~1 day from completion).

r? @SimonSapin

The PR is fairly isolated so a rollup should probably work.
Verified
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GPG key ID: 4AEE18F83AFDEB23 Learn about signing commits
38d52d6

@Centril Centril referenced this pull request Dec 1, 2018

Closed

Rollup of 13 pull requests #56422

bors added a commit that referenced this pull request Dec 2, 2018

@bors
Auto merge of #56422 - Centril:rollup, r=Centril 
Rollup of 13 pull requests

Successful merges:

 - #56110 (Consider references and unions potentially inhabited during privacy-respecting inhabitedness checks)
 - #56224 (Update cargo)
 - #56285 (move stage0.txt to toplevel directory)
 - #56305 (update miri)
 - #56366 (Stabilize self_in_typedefs feature)
 - #56372 (Refer to the second borrow as the "second borrow" in E0501.rs)
 - #56394 (Deal with EINTR in net timeout tests)
 - #56395 (Stabilize dbg!(...))
 - #56401 (Move VecDeque::resize_with out of the impl<T:Clone> block)
 - #56402 (Improve the unstable book example for #[marker] trait)
 - #56416 (Remove unneeded body class selector)
 - #56418 (Fix failing tidy (line endings on Windows))
 - #56419 (Remove some uses of try!)

Failed merges:

r? @ghost
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475c7f4

Centril added a commit to Centril/rust that referenced this pull request Dec 2, 2018

@Centril
Rollup merge of rust-lang#56395 - Centril:stabilize-dbg-macro, r=Simo… 
…nSapin

Stabilize dbg!(...)

Per FCP in rust-lang#54306 (which is ~1 day from completion).

r? @SimonSapin

The PR is fairly isolated so a rollup should probably work.
Verified
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GPG key ID: 4AEE18F83AFDEB23 Learn about signing commits
1b98b16

@Centril Centril referenced this pull request Dec 2, 2018

Closed

Rollup of 14 pull requests #56427

bors added a commit that referenced this pull request Dec 2, 2018

@bors
Auto merge of #56427 - Centril:rollup, r=Centril 
Rollup of 14 pull requests

Successful merges:

 - #56110 (Consider references and unions potentially inhabited during privacy-respecting inhabitedness checks)
 - #56224 (Update cargo)
 - #56305 (update miri)
 - #56366 (Stabilize self_in_typedefs feature)
 - #56372 (Refer to the second borrow as the "second borrow" in E0501.rs)
 - #56394 (Deal with EINTR in net timeout tests)
 - #56395 (Stabilize dbg!(...))
 - #56401 (Move VecDeque::resize_with out of the impl<T:Clone> block)
 - #56402 (Improve the unstable book example for #[marker] trait)
 - #56412 (Update tracking issue for `extern_crate_self`)
 - #56416 (Remove unneeded body class selector)
 - #56418 (Fix failing tidy (line endings on Windows))
 - #56419 (Remove some uses of try!)
 - #56424 (Mention raw-ident syntax)

Failed merges:

r? @ghost
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98ae1e8

Centril added a commit to Centril/rust that referenced this pull request Dec 2, 2018

@Centril
Rollup merge of rust-lang#56395 - Centril:stabilize-dbg-macro, r=Simo… 
…nSapin

Stabilize dbg!(...)

Per FCP in rust-lang#54306 (which is ~1 day from completion).

r? @SimonSapin

The PR is fairly isolated so a rollup should probably work.
Verified
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74b37e7

@Centril Centril referenced this pull request Dec 2, 2018

Closed

Rollup of 16 pull requests #56428

Centril added a commit to Centril/rust that referenced this pull request Dec 2, 2018

@Centril
Rollup merge of rust-lang#56395 - Centril:stabilize-dbg-macro, r=Simo… 
…nSapin

Stabilize dbg!(...)

Per FCP in rust-lang#54306 (which is ~1 day from completion).

r? @SimonSapin

The PR is fairly isolated so a rollup should probably work.
Verified
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GPG key ID: 4AEE18F83AFDEB23 Learn about signing commits
a385c01

@Centril Centril referenced this pull request Dec 2, 2018

Closed

Rollup of 15 pull requests #56429

Centril added a commit to Centril/rust that referenced this pull request Dec 2, 2018

@Centril
Rollup merge of rust-lang#56395 - Centril:stabilize-dbg-macro, r=Simo… 
…nSapin

Stabilize dbg!(...)

Per FCP in rust-lang#54306 (which is ~1 day from completion).

r? @SimonSapin

The PR is fairly isolated so a rollup should probably work.
Verified
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GPG key ID: 4AEE18F83AFDEB23 Learn about signing commits
fc3960c

@Centril Centril referenced this pull request Dec 2, 2018

Closed

Rollup of 16 pull requests #56430

bors added a commit that referenced this pull request Dec 2, 2018

@bors
Auto merge of #56430 - Centril:rollup, r=Centril 
Rollup of 16 pull requests

Successful merges:

 - #56110 (Consider references and unions potentially inhabited during privacy-respecting inhabitedness checks)
 - #56269 (Use a `SmallVec` within `_match::Matrix`.)
 - #56305 (update miri)
 - #56358 (Enable -mergefunc-use-aliases)
 - #56366 (Stabilize self_in_typedefs feature)
 - #56372 (Refer to the second borrow as the "second borrow" in E0501.rs)
 - #56394 (Deal with EINTR in net timeout tests)
 - #56395 (Stabilize dbg!(...))
 - #56401 (Move VecDeque::resize_with out of the impl<T:Clone> block)
 - #56402 (Improve the unstable book example for #[marker] trait)
 - #56406 (Update RLS and Rustfmt)
 - #56412 (Update tracking issue for `extern_crate_self`)
 - #56416 (Remove unneeded body class selector)
 - #56418 (Fix failing tidy (line endings on Windows))
 - #56419 (Remove some uses of try!)
 - #56424 (Mention raw-ident syntax)

Failed merges:

r? @ghost
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bac8bd7

Centril added a commit to Centril/rust that referenced this pull request Dec 2, 2018

@Centril
Rollup merge of rust-lang#56395 - Centril:stabilize-dbg-macro, r=Simo… 
…nSapin

Stabilize dbg!(...)

Per FCP in rust-lang#54306 (which is ~1 day from completion).

r? @SimonSapin

The PR is fairly isolated so a rollup should probably work.
Verified
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GPG key ID: 4AEE18F83AFDEB23 Learn about signing commits
aa92cc9

@Centril Centril referenced this pull request Dec 2, 2018

Closed

Rollup of 14 pull requests #56437

bors added a commit that referenced this pull request Dec 2, 2018

@bors
Auto merge of #56437 - Centril:rollup, r=Centril 
Rollup of 14 pull requests

Successful merges:

 - #56110 (Consider references and unions potentially inhabited during privacy-respecting inhabitedness checks)
 - #56305 (update miri)
 - #56366 (Stabilize self_in_typedefs feature)
 - #56372 (Refer to the second borrow as the "second borrow" in E0501.rs)
 - #56394 (Deal with EINTR in net timeout tests)
 - #56395 (Stabilize dbg!(...))
 - #56401 (Move VecDeque::resize_with out of the impl<T:Clone> block)
 - #56402 (Improve the unstable book example for #[marker] trait)
 - #56412 (Update tracking issue for `extern_crate_self`)
 - #56416 (Remove unneeded body class selector)
 - #56418 (Fix failing tidy (line endings on Windows))
 - #56419 (Remove some uses of try!)
 - #56424 (Mention raw-ident syntax)
 - #56432 (Update issue number of `shrink_to` methods to point the tracking issue)

Failed merges:

r? @ghost
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pietroalbini commented Dec 2, 2018

@bors rollup-

kennytm added a commit to kennytm/rust that referenced this pull request Dec 3, 2018

@kennytm
Rollup merge of rust-lang#56395 - Centril:stabilize-dbg-macro, r=Simo… 
…nSapin

Stabilize dbg!(...)

Per FCP in rust-lang#54306 (which is ~1 day from completion).

r? @SimonSapin

The PR is fairly isolated so a rollup should probably work.
Verified
This commit was created on GitHub.com and signed with a verified signature using GitHub’s key.
GPG key ID: 4AEE18F83AFDEB23 Learn about signing commits
441aaf8

@kennytm kennytm referenced this pull request Dec 3, 2018

Merged

Rollup of 13 pull requests #56451

bors added a commit that referenced this pull request Dec 3, 2018

@bors
Auto merge of #56451 - kennytm:rollup, r=kennytm 
Rollup of 13 pull requests

Successful merges:

 - #56141 ([std] Osstr len clarity)
 - #56366 (Stabilize self_in_typedefs feature)
 - #56395 (Stabilize dbg!(...))
 - #56401 (Move VecDeque::resize_with out of the impl<T:Clone> block)
 - #56402 (Improve the unstable book example for #[marker] trait)
 - #56412 (Update tracking issue for `extern_crate_self`)
 - #56416 (Remove unneeded body class selector)
 - #56418 (Fix failing tidy (line endings on Windows))
 - #56419 (Remove some uses of try!)
 - #56432 (Update issue number of `shrink_to` methods to point the tracking issue)
 - #56433 (Add description about `crate` for parse_visibility's comment)
 - #56435 (make the C part of compiler-builtins opt-out)
 - #56438 (Remove not used `DotEq` token)

Failed merges:

r? @ghost
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0c999ed

@bors bors merged commit f4cde5b into rust-lang:master Dec 3, 2018
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@Centril Centril deleted the Centril:stabilize-dbg-macro branch Dec 3, 2018

netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request Jan 19, 2019

@ryoon
Update to 1.32.0 
Changelog:
Version 1.32.0 (2019-01-17)
==========================

Language
--------
#### 2018 edition
- [You can now use the `?` operator in macro definitions.][56245] The `?`
  operator allows you to specify zero or one repetitions similar to the `*` and
  `+` operators.
- [Module paths with no leading keyword like `super`, `self`, or `crate`, will
  now always resolve to the item (`enum`, `struct`, etc.) available in the
  module if present, before resolving to a external crate or an item the prelude.][56759]
  E.g.
  ```rust
  enum Color { Red, Green, Blue }

  use Color::*;
  ```

#### All editions
- [You can now match against `PhantomData<T>` types.][55837]
- [You can now match against literals in macros with the `literal`
  specifier.][56072] This will match against a literal of any type.
  E.g. `1`, `'A'`, `"Hello World"`
- [Self can now be used as a constructor and pattern for unit and tuple structs.][56365] E.g.
  ```rust
  struct Point(i32, i32);

  impl Point {
      pub fn new(x: i32, y: i32) -> Self {
          Self(x, y)
      }

      pub fn is_origin(&self) -> bool {
          match self {
              Self(0, 0) => true,
              _ => false,
          }
      }
  }
  ```
- [Self can also now be used in type definitions.][56366] E.g.
  ```rust
  enum List<T>
  where
      Self: PartialOrd<Self> // can write `Self` instead of `List<T>`
  {
      Nil,
      Cons(T, Box<Self>) // likewise here
  }
  ```
- [You can now mark traits with `#[must_use]`.][55663] This provides a warning if
  a `impl Trait` or `dyn Trait` is returned and unused in the program.

Compiler
--------
- [The default allocator has changed from jemalloc to the default allocator on
  your system.][55238] The compiler itself on Linux & macOS will still use
  jemalloc, but programs compiled with it will use the system allocator.
- [Added the `aarch64-pc-windows-msvc` target.][55702]

Libraries
---------
- [`PathBuf` now implements `FromStr`.][55148]
- [`Box<[T]>` now implements `FromIterator<T>`.][55843]
- [The `dbg!` macro has been stabilized.][56395] This macro enables you to
  easily debug expressions in your rust program. E.g.
  ```rust
  let a = 2;
  let b = dbg!(a * 2) + 1;
  //      ^-- prints: [src/main.rs:4] a * 2 = 4
  assert_eq!(b, 5);
  ```

The following APIs are now `const` functions and can be used in a
`const` context.

- [`Cell::as_ptr`]
- [`UnsafeCell::get`]
- [`char::is_ascii`]
- [`iter::empty`]
- [`ManuallyDrop::new`]
- [`ManuallyDrop::into_inner`]
- [`RangeInclusive::start`]
- [`RangeInclusive::end`]
- [`NonNull::as_ptr`]
- [`slice::as_ptr`]
- [`str::as_ptr`]
- [`Duration::as_secs`]
- [`Duration::subsec_millis`]
- [`Duration::subsec_micros`]
- [`Duration::subsec_nanos`]
- [`CStr::as_ptr`]
- [`Ipv4Addr::is_unspecified`]
- [`Ipv6Addr::new`]
- [`Ipv6Addr::octets`]

Stabilized APIs
---------------
- [`i8::to_be_bytes`]
- [`i8::to_le_bytes`]
- [`i8::to_ne_bytes`]
- [`i8::from_be_bytes`]
- [`i8::from_le_bytes`]
- [`i8::from_ne_bytes`]
- [`i16::to_be_bytes`]
- [`i16::to_le_bytes`]
- [`i16::to_ne_bytes`]
- [`i16::from_be_bytes`]
- [`i16::from_le_bytes`]
- [`i16::from_ne_bytes`]
- [`i32::to_be_bytes`]
- [`i32::to_le_bytes`]
- [`i32::to_ne_bytes`]
- [`i32::from_be_bytes`]
- [`i32::from_le_bytes`]
- [`i32::from_ne_bytes`]
- [`i64::to_be_bytes`]
- [`i64::to_le_bytes`]
- [`i64::to_ne_bytes`]
- [`i64::from_be_bytes`]
- [`i64::from_le_bytes`]
- [`i64::from_ne_bytes`]
- [`i128::to_be_bytes`]
- [`i128::to_le_bytes`]
- [`i128::to_ne_bytes`]
- [`i128::from_be_bytes`]
- [`i128::from_le_bytes`]
- [`i128::from_ne_bytes`]
- [`isize::to_be_bytes`]
- [`isize::to_le_bytes`]
- [`isize::to_ne_bytes`]
- [`isize::from_be_bytes`]
- [`isize::from_le_bytes`]
- [`isize::from_ne_bytes`]
- [`u8::to_be_bytes`]
- [`u8::to_le_bytes`]
- [`u8::to_ne_bytes`]
- [`u8::from_be_bytes`]
- [`u8::from_le_bytes`]
- [`u8::from_ne_bytes`]
- [`u16::to_be_bytes`]
- [`u16::to_le_bytes`]
- [`u16::to_ne_bytes`]
- [`u16::from_be_bytes`]
- [`u16::from_le_bytes`]
- [`u16::from_ne_bytes`]
- [`u32::to_be_bytes`]
- [`u32::to_le_bytes`]
- [`u32::to_ne_bytes`]
- [`u32::from_be_bytes`]
- [`u32::from_le_bytes`]
- [`u32::from_ne_bytes`]
- [`u64::to_be_bytes`]
- [`u64::to_le_bytes`]
- [`u64::to_ne_bytes`]
- [`u64::from_be_bytes`]
- [`u64::from_le_bytes`]
- [`u64::from_ne_bytes`]
- [`u128::to_be_bytes`]
- [`u128::to_le_bytes`]
- [`u128::to_ne_bytes`]
- [`u128::from_be_bytes`]
- [`u128::from_le_bytes`]
- [`u128::from_ne_bytes`]
- [`usize::to_be_bytes`]
- [`usize::to_le_bytes`]
- [`usize::to_ne_bytes`]
- [`usize::from_be_bytes`]
- [`usize::from_le_bytes`]
- [`usize::from_ne_bytes`]

Cargo
-----
- [You can now run `cargo c` as an alias for `cargo check`.][cargo/6218]
- [Usernames are now allowed in alt registry URLs.][cargo/6242]

Misc
----
- [`libproc_macro` has been added to the `rust-src` distribution.][55280]

Compatibility Notes
-------------------
- [The argument types for AVX's
  `_mm256_stream_si256`, `_mm256_stream_pd`, `_mm256_stream_ps`][55610] have
  been changed from `*const` to `*mut` as the previous implementation
  was unsound.


[55148]: rust-lang/rust#55148
[55238]: rust-lang/rust#55238
[55280]: rust-lang/rust#55280
[55610]: rust-lang/rust#55610
[55663]: rust-lang/rust#55663
[55702]: https://github.com/rust-lag/rust/pull/55702/
[55837]: rust-lang/rust#55837
[55843]: rust-lang/rust#55843
[56072]: rust-lang/rust#56072
[56245]: rust-lang/rust#56245
[56365]: https:/ttps://github.com/rust-lang/rust/pull/56395/
[56759]: rust-lang/rust#56759
[cargo/6218]: rust-lang/cargo#6218
[cargo/6242]: rust-lang/cargo#6242
[`CStr::as_ptr`]: https://doc.rust-`Duration::as_secs`]: https://doc.rust-lang.org/std/time/struct.Duration.html#method.as_secs
[`Duration::subsec_micros`]: https://doc.rust-lang.org/std/time/struct.Duration.html#method.subsec_micros
[`Duration::subsec_millis`]: https://doc.rust-lang.org/sct.Duration.html#method.subsec_nanos
[`Ipv4Addr::is_unspecified`]: https://doc.rust-lang.org/std/net/struct.Ipv4Addr.html#method.is_unspecified
[`Ipv6Addr::new`]: https://doc.rust-lang.org/std/net/struct.Ipv6Addr.html#method.new
[`Ipv6Addr::octets`]: httpw`]: https://doc.rust-lang.org/std/mem/struct.ManuallyDrop.html#method.new
[`NonNull::as_ptr`]: https://doc.rust-lang.org/std/ptr/struct.NonNull.html#method.as_ptr
[`RangeInclusive::end`]: https://doc.rust-lang.org/std/ops/struct.RangeInclusive.html#method.end
[`RangeInclusive::start`]: https://doc.rust-lang.org/std/ops/struct.RangeInclusive.html#method.start
[`UnsafeCell::get`]: https://doc.rust-lang.org/std/cell/struct.UnsafeCell.html#method.get
[`slice::as_ptr`]: https://doc.rust-lang.org/std/primitive.slice.html#method.as_ptr
[`char::is_ascii`]: https://doc.rust-lang.org/std/primitive.char.html#method.is_ascii
[`i128::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i128.html#method.from_be_bytes
[`i128::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i128.html#method.from_le_bytes
[`i128::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i128.html#method.from_ne_bytes
[`i128::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i128.html#method.to_be_bytes
[`i128::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i128.html#method.to_le_bytes
[`i128::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i128.html#method.to_ne_bytes
[`i16::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i16.html#method.from_be_bytes
[`i16::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i16.html#method.from_le_bytes
[`i16::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i16.html#method.from_ne_bytes
[`i16::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i16.html#method.to_be_bytes
[`i16::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i16.html#method.to_le_bytes
[`i16::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i16.html#method.to_ne_bytes
[`i32::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i32.html#method.from_be_bytes
[`i32::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i32.html#method.from_le_bytes
[`i32::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i32.html#method.from_ne_bytes
[`i32::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i32.html#method.to_be_bytes
[`i32::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i32.html#method.to_le_bytes
[`i32::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i32.html#method.to_ne_bytes
[`i64::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i64.html#method.from_be_bytes
[`i64::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i64.html#method.from_le_bytes
[`i64::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i64.html#method.from_ne_bytes
[`i64::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i64.html#method.to_be_bytes
[`i64::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i64.html#method.to_le_bytes
[`i64::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i64.html#method.to_ne_bytes
[`i8::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i8.html#method.from_be_bytes
[`i8::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i8.html#method.from_le_bytes
[`i8::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i8.html#method.from_ne_bytes
[`i8::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i8.html#method.to_be_bytes
[`i8::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i8.html#method.to_le_bytes
[`i8::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.i8.html#method.to_ne_bytes
[`isize::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.isize.html#method.from_be_bytes
[`isize::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.isize.html#method.from_le_bytes
[`isize::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.isize.html#method.from_ne_bytes
[`isize::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.isize.html#method.to_be_bytes
[`isize::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.isize.html#method.to_le_bytes
[`isize::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.isize.html#method.to_ne_bytes
[`iter::empty`]: https://doc.rust-lang.org/std/iter/fn.empty.html
[`str::as_ptr`]: https://doc.rust-lang.org/std/primitive.str.html#method.as_ptr
[`u128::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u128.html#method.from_be_bytes
[`u128::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u128.html#method.from_le_bytes
[`u128::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u128.html#method.from_ne_bytes
[`u128::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u128.html#method.to_be_bytes
[`u128::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u128.html#method.to_le_bytes
[`u128::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u128.html#method.to_ne_bytes
[`u16::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u16.html#method.from_be_bytes
[`u16::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u16.html#method.from_le_bytes
[`u16::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u16.html#method.from_ne_bytes
[`u16::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u16.html#method.to_be_bytes
[`u16::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u16.html#method.to_le_bytes
[`u16::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u16.html#method.to_ne_bytes
[`u32::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u32.html#method.from_be_bytes
[`u32::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u32.html#method.from_le_bytes
[`u32::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u32.html#method.from_ne_bytes
[`u32::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u32.html#method.to_be_bytes
[`u32::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u32.html#method.to_le_bytes
[`u32::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u32.html#method.to_ne_bytes
[`u64::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u64.html#method.from_be_bytes
[`u64::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u64.html#method.from_le_bytes
[`u64::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u64.html#method.from_ne_bytes
[`u64::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u64.html#method.to_be_bytes
[`u64::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u64.html#method.to_le_bytes
[`u64::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u64.html#method.to_ne_bytes
[`u8::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.from_be_bytes
[`u8::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.from_le_bytes
[`u8::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.from_ne_bytes
[`u8::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.to_be_bytes
[`u8::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.to_le_bytes
[`u8::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.to_ne_bytes
[`usize::from_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.usize.html#method.from_be_bytes
[`usize::from_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.usize.html#method.from_le_bytes
[`usize::from_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.usize.html#method.from_ne_bytes
[`usize::to_be_bytes`]: https://doc.rust-lang.org/stable/std/primitive.usize.html#method.to_be_bytes
[`usize::to_le_bytes`]: https://doc.rust-lang.org/stable/std/primitive.usize.html#method.to_le_bytes
[`usize::to_ne_bytes`]: https://doc.rust-lang.org/stable/std/primitive.usize.html#method.to_ne_bytes
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@RoelKluin

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RoelKluin commented Jan 22, 2019

I wonder whether this alternative implementation that optionally allows formatting may be of use:
#54317 (comment)
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Centril commented Jan 22, 2019

@RoelKluin you might want to raise this issue somewhere more visible for new discussion, e.g. http://internals.rust-lang.org/.

My view is that extra arguments should be for passing more values, that no guarantees should be made about formatting, and that formatting choices is better served by a different macro. You may try out the more advanced macro in https://crates.io/crates/dbg.
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