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Remove redundant functions from libraries #2868

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brson opened this issue Jul 11, 2012 · 8 comments
Closed

Remove redundant functions from libraries #2868

brson opened this issue Jul 11, 2012 · 8 comments
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C-cleanup Category: PRs that clean code up or issues documenting cleanup.

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@brson
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brson commented Jul 11, 2012

Methods in the libraries are mostly implemented as wrappers for standalone functions. This wasn't really an intentional design decision, but just an easy way to start using methods. We should keep the methods and get rid of the functions. Methods are more convenient for multiple reasons.
@catamorphism
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Sometimes it's convenient to have a function so you can write v.map(f) instead of v.map(|x| x.f())...

@catamorphism
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Ongoing cleanup, not critical for 0.6. De-milestoning

@pcwalton
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pcwalton commented May 9, 2013

Nominated for backwards compatibility. Unified Method Syntax will allow a lot of this to be fixed.

@thestinger
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I think we all agree that these should be removed and methods be made callable as functions instead, so I'm removing the RFC tag.

@graydon
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graydon commented Jun 6, 2013

see also #6974, #6045

@graydon
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graydon commented Jun 6, 2013

accepted for backwards-compatible milestone

@huonw
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huonw commented Jul 30, 2013

This has progressed: std::{vec, str, option, result} have had most of their free-standing functions removed (where relevant), and most new libraries are using methods as much as possible.

However, it's definitely not finished.

@alexcrichton
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I think it's safe to say that this is pretty much done at this point. There's pressure against this all on all new PRs, the stdlib is in good shape with respect to these freestanding functions, and it's been quite awhile since I've used a freestanding function myself.

There may still be remaining issues, but I think they can be addressed on a case-by-case basis, the reach of this bug has diminished by a fair amount.

@thestinger thestinger mentioned this issue Sep 15, 2014
Merged
flip1995 pushed a commit to flip1995/rust that referenced this issue Oct 21, 2021
@bors
Auto merge of rust-lang#7838 - nhamovitz:trailing_zs_arr_wo_repr, r=M…
300b821 
…anishearth

Warn on structs with a trailing zero-sized array but no `repr` attribute

Closes rust-lang#2868

changelog: Implement ``[`trailing_empty_array`]``, which warns if a struct is defined where the last field is a zero-sized array but there are no `repr` attributes. Zero-sized arrays aren't very useful in Rust itself, so such a struct is likely being created to pass to C code or in some other situation where control over memory layout matters. Either way, a `repr` attribute is needed.
RalfJung pushed a commit to RalfJung/rust that referenced this issue May 11, 2023
@bors
Auto merge of rust-lang#2868 - RalfJung:rustup, r=RalfJung
12fd42a 
Rustup
celinval added a commit to celinval/rust-dev that referenced this issue Jun 4, 2024
@github-actions @celinval
Automatic toolchain upgrade to nightly-2023-11-09 (rust-lang#2868)
8bed969 
Update Rust toolchain from nightly-2023-11-08 to nightly-2023-11-09
without any other source changes.
This is an automatically generated pull request. If any of the CI checks
fail, manual intervention is required. In such a case, review the
changes at https://github.com/rust-lang/rust from
rust-lang@7adc89b
up to
rust-lang@fdaaaf9.
The log for this commit range is:
rust-lang@fdaaaf9f92 Auto merge of
rust-lang#116930 - RalfJung:raw-ptr-match, r=davidtwco
rust-lang@30588657b7 avoid unnecessary
nested conditionals
rust-lang@90fdc1fc27 Auto merge of
rust-lang#117716 - GuillaumeGomez:rollup-83gnhll, r=GuillaumeGomez
rust-lang@9d3c80248b Rollup merge of
rust-lang#117713 - GuillaumeGomez:document-hidden-json, r=notriddle
rust-lang@d8c52b378d Rollup merge of
rust-lang#117702 - davidtwco:target-tier-refactors, r=petrochenkov
rust-lang@5d00a5d936 Rollup merge of
rust-lang#117679 - aDotInTheVoid:yes-core, r=GuillaumeGomez
rust-lang@c828371179 Rollup merge of
rust-lang#117282 - clubby789:recover-wrong-function-header, r=TaKO8Ki
rust-lang@e05e4f38b5 Rollup merge of
rust-lang#117263 - onur-ozkan:change-id-fix, r=saethlin
rust-lang@341efb1017 Auto merge of
rust-lang#117560 - lqd:issue-117146, r=matthewjasper
rust-lang@33edea60f0 Add test for
reexported hidden item with `--document-hidden-items`
rust-lang@28acba3c61 Auto merge of
rust-lang#115460 - zachs18:borrowedcursor_write_no_panic, r=dtolnay
rust-lang@755629fe59 Auto merge of
rust-lang#117706 - matthiaskrgr:rollup-lscx7dg, r=matthiaskrgr
rust-lang@e0cb1cc296 bootstrap: add more
detail on change-id comments
rust-lang@e878100386 bootstrap: improve
`fn check_version`
rust-lang@ae4d18b2da handle the case when
the change-id isn't found
rust-lang@7e4ffa98b5 Rollup merge of
rust-lang#117700 - Zalathar:rename-run-coverage, r=onur-ozkan
rust-lang@55306535dd Rollup merge of
rust-lang#117698 - nnethercote:space_between-2, r=petrochenkov
rust-lang@b1b5a8ea9d Rollup merge of
rust-lang#117667 - Alexendoo:doc-clippy-config, r=albertlarsan68
rust-lang@adf4981969 Rollup merge of
rust-lang#117663 - klensy:bump-deps, r=davidtwco
rust-lang@8198864377 Rollup merge of
rust-lang#117650 - saethlin:inline-me-please, r=davidtwco
rust-lang@ba7ec56639 Rollup merge of
rust-lang#117531 - fmease:rustdoc-effects-properly-elide-x-crate-host-args,
r=GuillaumeGomez
rust-lang@b74a84c0bc Rollup merge of
rust-lang#114316 - ecnelises:aix_doc, r=workingjubilee
rust-lang@fab1054e17 Auto merge of
rust-lang#117542 - compiler-errors:only-normalize-predicate, r=lcnr
rust-lang@750c2ecd15 Auto merge of
rust-lang#116881 - LuuuXXX:issue-110087, r=onur-ozkan
rust-lang@b9b7982f72 Add AIX
platform-support doc
rust-lang@ef7ebaa788 rustc_target: move
file for uniformity
rust-lang@1af256fe8a targets: move target
specs to spec/targets
rust-lang@76aa83e3e1 target: move base
specs to spec/base
rust-lang@a573880373 coverage: Rename the
`run-coverage` test mode to `coverage-run`
rust-lang@7cc997d373 Auto merge of
rust-lang#117699 - weihanglo:update-cargo, r=weihanglo
rust-lang@0670466e2c Update cargo
rust-lang@438b9a6e82 More tests for token
stream pretty-printing with adjacent punctuation.
rust-lang@783d4b8b26 Clarify
`space_between`.
rust-lang@91cfcb0219 Auto merge of
rust-lang#117484 - Zalathar:tests, r=cjgillot
rust-lang@97c9d8f405 Only use
normalize_param_env when normalizing predicate in check_item_bounds
rust-lang@1b8dee19e8 Fix issue rust-lang#110087
rust-lang@0d5ec963bb Auto merge of
rust-lang#117692 - matthiaskrgr:rollup-umaf5pr, r=matthiaskrgr
rust-lang@f72e974e3f Rollup merge of
rust-lang#117655 - compiler-errors:method-tweaks, r=estebank
rust-lang@7552dd19ad Rollup merge of
rust-lang#117625 - nnethercote:clippy-perf, r=cuviper
rust-lang@3c6307240c Rollup merge of
rust-lang#116399 - WaffleLapkin:erase_small_things, r=cjgillot
rust-lang@b724d9c90e Rollup merge of
rust-lang#113925 - clubby789:const-ctor-repeat, r=estebank
rust-lang@fcdd99edca Add
-Zcross-crate-inline-threshold=yes
rust-lang@e8cf29b584 rustdoc: minor
changes suggested by clippy perf lints.
rust-lang@ff0b4b6091 Auto merge of
rust-lang#117672 - lqd:ci-gcc-lld, r=Kobzol
rust-lang@1b3733e5a4 rustc: minor changes
suggested by clippy perf lints.
rust-lang@eca9a1533f Add an explanation
for `transmute_unchecked`
rust-lang@1d1fe9a205 add note to remember
to update a url when bumping to gcc 10.1.0
rust-lang@434b69a1d6 tests/rustdoc-json:
Rewrite tests no not use `#![no_core]`.
rust-lang@0875f456f1 tests/rustdoc-json:
Remove more needless uses of `#![no_core]`.
rust-lang@f784fa7bd9 tests/rustdoc-json:
Remove some needless uses of `#![no_core]`.
rust-lang@d73eaaac5f ci: bump gcc on dist
x64 linux builder to 9.5
rust-lang@f2fd8ad788 Document
clippy_config in nightly-rustc docs
rust-lang@eed89185bb bump some deps
rust-lang@0add056dee Rework
print_disambiguation_help
rust-lang@88a37acb26 Yeet
MethodCallComponents
rust-lang@4e6f438d2a coverage: Register
`test::Coverage` as the test suite for `tests/coverage`
rust-lang@49127c64d6 coverage: Migrate
`tests/coverage-map` into `tests/coverage`
rust-lang@e9d04c5e24 coverage: Migrate
`tests/run-coverage` into `tests/coverage`
rust-lang@aea7c27eae coverage: Set up a
macro for declaring unified coverage test suites
rust-lang@3509aed632 coverage: Add
`./x.py test coverage`, an alias for `coverage-map` and `run-coverage`
rust-lang@e585a99230 coverage: Give each
coverage test mode a separate output directory
rust-lang@211d4cee8e coverage: Copy all
remaining run-coverage tests into coverage-map
rust-lang@4b76b97bc8 coverage: Copy all
remaining coverage-map tests into run-coverage
rust-lang@f5df56b26b coverage: Flatten
`coverage-map/status-quo/` into its parent directory
rust-lang@8eef39f082 coverage: Remove
`tests/coverage-map/if.rs`
rust-lang@7f8a6de72c coverage: Use
`-Copt-level=2` by default in run-coverage tests
rust-lang@1dcdf83927 rustdoc: properly
elide cross-crate host effect args
rust-lang@2dff90dc23 add test for issue
117146
rust-lang@de7a8305ae traverse region
graph instead of SCCs to compute polonius loan scopes
rust-lang@03b24f2756 remove some dead
code
rust-lang@70a8e157ab make
pointer_structural_match warn-by-default
rust-lang@af6c7e0ca1 also lint against fn
ptr and raw ptr nested inside the const
rust-lang@bec88ad4aa patterns: reject raw
pointers that are not just integers
rust-lang@be0b42fabe Recover from
incorrectly ordered/duplicated function keywords
rust-lang@b3d50255d9 Use consisntent
style of `size_of` in query type erasure
rust-lang@61361bb212 Use
`transmute_unchecked` and make the types explicit in query type erasure
rust-lang@11a64a1834 don't panic in
BorrowedCursor::write
rust-lang@86b112204a Improve diagnostic
for const ctors in array repeat expressions

Co-authored-by: celinval <celinval@users.noreply.github.com>
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@graydon @alexcrichton @brson @pcwalton @catamorphism @huonw @thestinger