CHANGELOG.md

5.3.0 (2022-12-23)

Added

• cli: Added a percentage display in watch mode
• Added a flake.nix for Nix users

Changed

• structs3: Added an additional test
• macros: Added a link to MacroKata in the README

Fixed

• strings3: Added a link to std in the hint
• threads1: Corrected a hint link
• iterators1: Clarified hint steps
• errors5: Fix a typo in the hint
• options1: Clarified on the usage of the 24-hour system
• threads2, threads3: Explicitly use Arc::clone
• structs3: Clarifed the hint
• quiz2, as_ref_mut, options1, traits1, traits2: Clarified hints
• traits1, traits2, cli: Tidied up unmatching backticks
• enums2: Removed unneccessary indirection of self
• enums3: Added an extra tuple comment

Housekeeping

• Added a VSCode extension recommendation
• Applied some Clippy and rustfmt formatting
• Added a note on Windows PowerShell and other shell compatibility

5.2.1 (2022-09-06)

Fixed

• quiz1: Reworded the comment to actually reflect what's going on in the tests. Also added another assert just to make sure.
• rc1: Fixed a typo in the hint.
• lifetimes: Add quotes to the println! output, for readability.

Housekeeping

• Fixed a typo in README.md

5.2.0 (2022-08-27)

Added

• Added a reset command

Changed

• options2: Convert the exercise to use tests

Fixed

• threads3: Fixed a typo
• quiz1: Adjusted the explanations to be consistent with the tests

5.1.1 (2022-08-17)

Bug Fixes

• Fixed an incorrect assertion in options1

5.1.0 (2022-08-16)

Features

• Added a new rc1 exercise.
• Added a new cow1 exercise.

Bug Fixes

• variables5: Corrected reference to previous exercise
• functions4: Fixed line number reference
• strings3: Clarified comment wording
• traits4, traits5: Fixed line number reference
• traits5:
  • Fixed typo in "parameter"
  • Made exercise prefer a traits-based solution
• lifetimes2: Improved hint
• threads3: Fixed typo in hint
• box1: Replaced unimplemented! with todo!
• errors5: Provided an explanation for usage of Box<dyn Error>
• quiz2: Fixed a typo
• macros: Updated the macros book link
• options1:
  • Removed unused code
  • Added more granular tests
• Fixed some comment syntax shenanigans in info.toml

Housekeeping

• Fixed a typo in .editorconfig
• Fixed a typo in integration_tests.rs
• Clarified manual installation instructions using cargo install --path .
• Added a link to our Zulip in the readme file

5.0.0 (2022-07-16)

Features

• Hint comments in exercises now also include a reference to the hint watch mode subcommand.
• intro1: Added more hints to point the user to the source file.
• variables: Switched variables3 and variables4.
• Moved vec and primitive_types exercises before move_semantics.
• Renamed vec to vecs to be more in line with the naming in general.
• Split up the collections exercises in their own folders.
• vec2: Added a second part of the function that provides an alternative, immutable way of modifying vec values.
• enums3: Added a hint.
• Moved strings before modules.
• Added a strings3 exercise to teach modifying strings.
• Added a hashmaps3 exercise for some advanced usage of hashmaps.
• Moved the original quiz2 to be strings4, since it only tested strings anyways.
• Reworked quiz2 into a new exercise that tests more chapters.
• Renamed option to options.
• options1: Rewrote parts of the exercise to remove the weird array iteration stuff.
• Moved generics3 to be quiz3.
• Moved box/arc exercises behind iterators.
• iterators4: Added a test for factorials of zero.
• Split threads1 between two exercises, the first one focusing more on JoinHandles.
• Added a threads3 exercises that uses std::sync::mpsc.
• Added a clippy3 exercises with some more interesting checks.
• as_ref_mut: Added a section that actually tests AsMut.
• Added 3 new lifetimes exercises.
• Added 3 new traits exercises.

Bug Fixes

• variables2: Made output messages more verbose.
• variables5: Added a nudging hint about shadowing.
• variables6: Fixed link to book.
• functions: Clarified the README wording. Generally cleaned up some hints and added some extra comments.
• if2: Renamed function name to foo_if_fizz.
• move_semantics: Clarified some hints.
• quiz1: Renamed the function name to be more verbose.
• structs1: Use an integer type instead of strings. Renamed "unit structs" to "unit-like structs", as is used in the book.
• structs3: Added the panic! statement in from the beginning.
• errors1: Use is_empty() instead of len() > 0
• errors3: Improved the hint.
• errors5: Improved exercise instructions and the hint.
• errors6: Provided the skeleton of one of the functions that's supposed to be implemented.
• iterators3: Inserted todo! into divide() to keep a compiler error from happening.
• from_str: Added a hint comment about string error message conversion with Box<dyn Error>.
• try_from_into: Fixed the function name in comment.

Removed

• Removed the legacy LSP feature that was using mod.rs files.
• Removed quiz4.
• Removed advanced_errs. These were the last exercises in the recommended order, and I've always felt like they didn't quite fit in with the mostly simple, book-following style we've had in Rustlings.

Housekeeping

• Added missing exercises to the book index.
• Updated spacing in Cargo.toml.
• Added a GitHub actions config so that tests run on every PR/commit.

4.8.0 (2022-07-01)

Features

• Added a progress indicator for rustlings watch.
• The installation script now checks for Rustup being installed.
• Added a rustlings lsp command to enable rust-analyzer.

Bug Fixes

• move_semantics5: Replaced "in vogue" with "in scope" in hint.
• if2: Fixed a typo in the hint.
• variables1: Fixed an incorrect line reference in the hint.
• Fixed an out of bounds check in the installation Bash script.

Housekeeping

• Replaced the git.io URL with the fully qualified URL because of git.io's sunsetting.
• Removed the deprecated Rust GitPod extension.

4.7.1 (2022-04-20)

Features

• The amount of dependency crates that need to be compiled went down from ~65 to ~45 by bumping dependency versions.
• The minimum Rust version in the install scripts has been bumped to 1.56.0 (this isn't in the release itself, since install scripts don't really get versioned)

Bug Fixes

• arc1: A small part has been rewritten using a more functional code style (#968).
• using_as: A small part has been refactored to use sum instead of fold, resulting in better readability.

Housekeeping

• The changelog will now be manually written instead of being automatically generated by the Git log.

4.7.0 (2022-04-14)

Features

• Add move_semantics6.rs exercise (#908) (3f0e1303)
• intro: Add intro section. (21c9f441)
• Include exercises folder in the project structure behind a feature, enabling rust-analyzer to work (#917) (179a75a6)

Bug Fixes

• Fix a few spelling mistakes (1c0fe3cb)
• cli:
  • Move long text strings into constants. (f78c4802)
  • Replace filter_map() with find_map() (9b27e8d)
• clippy1:
  • Set clippy::float_cmp lint to deny (#907) (71a06044)
  • Updated code to test correctness clippy lint with approx_constant lint rule (f2650de3)
• errors1:
  • Add a comment to make the purpose more clear (#486) (cbcde345)
  • Don't modify tests (#958) (60bb7cc)
• errors6: Remove existing answer code (43d0623)
• functions5: Remove wrong new line and small English improvements (#885) (8ef4869b)
• install: protect path with whitespaces using quotes and stop at the first error (d114847f)
• intro1: Add compiler error explanation. (9b8de655)
• iterators1: reorder TODO steps (0bd7a063)
• move_semantics2: Add comment (89650f80)
• move_semantics5: correct typo (#857) (46c28d5c)
• quiz1: update to say quiz covers "If" (1622e8c1)
• structs3:
  • Add a hint for panic (#608) (4f7ff5d9)
  • remove redundant 'return' (#852) (bf33829d)
  • Assigned value to cents_per_gram in test (d1ee2da)
• structs3.rs: assigned value to cents_per_gram in test (d1ee2daf)
• traits1: rename test functions to snake case (#854) (1663a16e)

Documentation improvements

• Add hints on how to get GCC installed (#741) (bc56861)
• Fix some code blocks that were not highlighted (17f9d74)

4.6.0 (2021-09-25)

Features

• add advanced_errs2 (abd6b70c)
• add advanced_errs1 (882d535b)
• Add a farewell message when quitting watch (1caef0b4)
• add more watch commands (a7dc080b, closes #842)
• modules: update exercises, add modules3 (#822) (dfd2fab4)
• quiz1: add default function name in comment (#838) (0a11bad7)

Bug Fixes

• Correct small typo in exercises/conversions/from_str.rs (86cc8529)
• cli: typo in exercise.rs (#848) (06d5c097)
• from_str, try_from_into: custom error types (2dc93cad)
• modules2: fix typo (#835) (1c3beb0a)
• move_semantics5:
  • change &mut *y to &mut x (#814) (d75759e8)
  • Clarify instructions (df25684c)
• quiz1: Fix inconsistent wording (#826) (03131a3d)

4.5.0 (2021-07-07)

Features

• Add move_semantics5 exercise. (#746) (399ab328)
• cli: Add "next" to run the next unsolved exercise. (#785) (d20e413a)

Bug Fixes

• rename result1 to errors4 (50ab289d)
• move_semantics5 hints (1b858285)
• remove trailing whitespaces from iterators1 (4d4fa774)
• add hints to generics1 and generics2 exercises (31457940)
• remove trailing whitespace (d9b69bd1)
• installation: first PowerShell command (aa9a943d)
• iterators5: derive Clone, Copy (91fc9e31)
• quiz1: Updated question description (#794) (d8766496)
• try_from_into, from_str: hints for dyn Error (11d2cf0d)
• variables5: confine the answer further (48ffcbd2)

4.4.0 (2021-04-24)

Bug Fixes

• Fix spelling error in main.rs (91ee27f2)
• typo in default out text (644c49f1)
• collections: Naming exercises for vectors and hashmap (bef39b12)
• from_str:
  • Correct typos (5f7c89f8)
  • test for error instead of unwrap/should_panic (15e71535)
  • use trait objects for from_str (c3e7b831)
• functions3: improve function argument type (#687) (a6509cc4)
• hashmap2: Update incorrect assertion (#660) (72aaa15e)
• info: Fix typo (#635) (cddc1e86)
• iterators2: Moved errors out of tests. (baf4ba17, closes #359)
• iterators3: Enabled iterators3.rs to run without commented out tests. (c6712dfc)
• main: Let find_exercise work with borrows (347f30bd)
• move_semantics4:
  • Remove redundant "instead" (#640) (cc266d7d)
  • Small readbility improvement (#617) (10965920)
• option2: Rename uninformative variables (#675) (b4de6594)
• quiz3: Force an answer to Q2 (#672) (0d894e6f)
• structs: Add 5.3 to structs/README (#652) (6bd791f2)
• structs2: correct grammar in hint (#663) (ebdb66c7)
• structs3:
  • reword heading comment (#664) (9f3e8c2d)
  • add check to prevent naive implementation of is_international (05a753fe)
• threads1: line number correction (7857b0a6)
• try_from_into: use trait objects (2e93a588)

Features

• Replace clap with argh (7928122f)
• Replace emojis when NO_EMOJI env variable present (8d62a996)
• Added iterators5.rs exercise. (b29ea17e)
• arc1: Add more details to description and hint (#710) (81be4044)
• cli: Improve the list command with options, and then some (8bbe4ff1)
• list:
  • updated progress percentage (1c6f7e4b)
  • added progress info (c0e3daac)

4.3.0 (2020-12-29)

Features

• Rewrite default out text (44d39112)
• match exercise order to book chapters (#541) (033bf119)
• Crab? (#586) (fa9f522b)
• add "rustlings list" command (838f9f30)
• try_from_into: remove duplicate annotation (04f1d079)

Bug Fixes

• update structs README (bcf14cf6)
• added missing exercises to info.toml (90cfb6ff)
• gives a bit more context to magic number (30644c9a)
• functions2: Change signature to trigger precise error message: (#605) (0ef95947)
• structs1: Adjust wording (#573) (9334783d)
• try_from_into:
  • type error (4f4cfcf3)
  • Update description (#584) (96347df9)
• vec1: Have test compare every element in a and v (9b6c6293)

4.2.0 (2020-11-07)

Features

• Add HashMap exercises (633c00cf)
• Add Vec exercises (0c12fa31)
• primitive_types6: Add a test (#548) (2b1fb2b7)
• try_from_into: Add tests (#571) (95ccd926)

Bug Fixes

• log error output when inotify limit is exceeded (d61b4e5a)
• more unique temp_file (5643ef05)
• installation: Update the MinRustVersion (21bfb2d4)
• iterators2: Update description (#578) (197d3a3d)
• primitive_types6:
  • remove 'unused doc comment' warning (472d8592)
  • missing comma in test (4fb230da)
• quiz3: Second test is for odd numbers, not even. (#553) (18e0bfef)

4.1.0 (2020-10-05)

Bug Fixes

• Update rustlings version in Cargo.lock (1cc40bc9)
• arc1: index mod should equal thread count (b4062ef6)
• enums3: Update Message::ChangeColor to take a tuple. (#457) (4b6540c7)
• exercises: adding question mark to quiz2 (101072ab)
• generics3: clarify grade change (47f7672c)
• structs3: Small adjustment of variable name (114b54cb)
• using_as: Add test so that proper type is returned. (#512) (3286c5ec)

Features

• Added iterators1.rs exercise (9642f5a3)
• Add ability to run rustlings on repl.it (#471) (8f7b5bd0)
• Add gitpod support (#473) (4821a8be)
• Remind the user of the hint option (#425) (816b1f5e)
• Remind the user of the hint option (#425) (9f61db5d)
• cli: Added 'cls' command to 'watch' mode (#474) (4f2468e1)
• try_from_into: Add insufficient length test (#469) (523d18b8)

4.0.0 (2020-07-08)

Breaking Changes

• Add a --nocapture option to display test harnesses' outputs (8ad5f9bf)
• Rename test to quiz, fixes #244 (010a0456)

Features

• Add traits README (173bb141)
• Add box1.rs exercise (7479a473)
• Rewrite try_from_into (#393) (763aa6e3)
• Add if2 exercise (1da84b5f)
• Added exercise structs3.rs (b66e2e09)
• Add exercise variables6 covering const (#352) (5999acd2)

Bug Fixes

• Change then to than (ddd98ad7)
• rename quiz1 to tests1 in info (#420) (0dd1c6ca)
• fix quiz naming inconsistency (#421) (5563adbb)
• confine the user further in variable exercises (06ef4cc6)
• update iterator and macro text for typos and clarity (95900828)
• update generics2 closes #362 (964c974a)
• confusing comment in conversions/try_from_into.rs (c9e4f2cf)
• arc1: Passively introduce attributes (#429) (113cdae2)
• box1: fix comment typo (#426) (bb2ca251)
• errorsn: Try harder to confine the user. (#388) (2b20c8a0)
• from_into.rs: typo (a901499e)
• generics2: Guide students to the answer (#430) (e6bd8021)
• installation:
  • Provide a backup git reference when tag can't be curl (9e4fb100)
  • Check if python is available while checking for git,rustc and cargo (9cfb617d)
• option1:
  • Don't add only zeros to the numbers array (cce6a442)
  • Add cast to usize, as it is confusing in the context of an exercise about Option (f6cffc7e)
• option2: Add TODO to comments (#400) (10967bce)
• options1: Add hint about Array Initialization (#389) (9f75554f)
• test2: name of type String and &str (#394) (d6c0a688)
• variables6: minor typo (#419) (524e17df)

3.0.0 (2020-04-11)

Breaking Changes

• make "compile" exercises print output (#278) (3b6d5c)

Bug Fixes

• primitive_types: revert primitive_types4 (#296) (b3a3351e)
• run: compile clippy exercise files (#295) (3ab084a4)
• conversions:
  • add additional test to meet exercise rules (#284) (bc22ec3)
  • remove duplicate not done comment (#292) (dab90f)
• don't hardcode documentation version for traits (#288) (30e6af)

Features

• add Option2 exercise (#290) (86b5c08b)
• add exercise for option (#282) (135e5d47)
• add new exercises for generics (#280) (76be5e4e)
• ci: add buildkite config (b049fa2c)

2.2.1 (2020-02-27)

Bug Fixes

• Re-add cloning the repo to install scripts (3d9b03c5)

Features

• Add clippy lints (#269) (1e2fd9c9)

2.2.0 (2020-02-25)

Bug Fixes

• Update deps to version compatable with aarch64-pc-windows (#263) (19a93428)
• docs:
  • Added a necessary step to Windows installation process (#242) (3906efcd)
  • Fixed mangled sentence from book; edited for clarity (#266) (ade52ff)
  • Updated iterators readme to account for iterators4 exercise (#273) (bec8e3a)
• installation: make fatal errors more obvious (#272) (17d0951e)
• iterators2:
  • Remove reference to missing iterators2.rs (#245) (419f7797)
• as_ref_mut: Enable a test and improve per clippy's suggestion (#256) (dfdf809)
• tests1:
  • Change test command (fe10e06c
  • Correct test command in tests1.rs comment (#263) (39fa7ae)

Features

• Add variables5.rs exercise (#264) (0c73609e)
• Show a completion message when watching (#253) (d25ee55a)
• Add type conversion and parsing exercises (#249) (0c85dc11)
• Created consistent money unit (#258) (fd57f8f)
• Enable test for exercise test4 (#276) (8b971ff)
• Added traits exercises (#274 but specifically #216, which originally added this ❤️) (b559cdd)

2.1.0 (2019-11-27)

Bug Fixes

• add line numbers in several exercises and hints (b565c4d3)
• arc1: Fix some words in the comment (c42c3b21)
• enums: Add link to chapter on pattern syntax (#242) (615ce327)
• primitive_types4:
  • update outdated hint (4c5189df)
  • update outdated comment (ded2c034)
• strings2: update line number in hint (a09f684f)
• variables1: Correct wrong word in comment (fda5a470)

Features

• watch: show hint while watching (8143d57b)

2.0.0 (2019-11-12)

Bug Fixes

• default: Clarify the installation procedure (c371b853)
• info: Fix trailing newlines for hints (795b6e34)
• run: make run never prompt (4b265465)

Breaking Changes

• Refactor hint system (9bdb0a12)
• improve watch execution mode (2cdd6129)
• Index exercises by name (627cdc07)
• run: makes run never prompt (4b265465)

Features

• cli: check for rustc before doing anything (36a033b8)
• hint: Add test for hint (ce9fa6eb)

1.5.1 (2019-11-11)

Bug Fixes

• errors3: Update hint (dcfb427b, closes #185)
• if1: Remove return reference (ad03d180)
• strings: Move Strings before Structs (6dcecb38, closes #204)
• structs1: Remove misleading comment (f72e5a8f)
• threads: Move Threads behind SLT (fbe91a67, closes #205)
• watch: clear screen before each verify() (3aff590)

1.5.0 (2019-11-09)

Bug Fixes

• test1: Rewrite logic (79a56942)
• installation: Fix rustlings installation check (7a252c47)
• iterators: Rename iterator3.rs (433d2115)
• iterators2: Remove syntax resulting in misleading error message (4cde8664)
• option1:
  • Fix arguments passed to assert! macro (#222) (4c2cf6da)
  • Fix arguments passed to assert! macro (ead4f7af)
  • Add test for prematurely passing exercise (a750e4a1)
• primitive_types4: Fail on a slice covering the wrong area (5b1e673c)
• readme: http to https (70946b85)
• test1:
  • Swap assertion parameter order (4086d463)
  • renamed function name to snake case closes #180 (89d5186c)

Features

• Add enums exercises (dc150321)
• Added exercise for struct update syntax (1c4c8764)
• iterators2: adds iterators2 exercise including config (9288fccf)

1.4.1 (2019-08-13)

Bug Fixes

• iterators2: Remove syntax resulting in misleading error message (4cde8664)
• option1: Add test for prematurely passing exercise (a750e4a1)
• test1: Swap assertion parameter order (4086d463)

1.4.0 (2019-07-13)

Bug Fixes

• installation: Fix rustlings installation check (7a252c47)
• iterators: Rename iterator3.rs (433d2115)
• readme: http to https (70946b85)
• test1: renamed function name to snake case (89d5186c)
• cli: Check if changed exercise file exists before calling verify (ba85ca3)
• structs1: Fix the irrefutable let pattern warning (cc6a141)

Features

• changelog: Use clog for changelogs (34e31232)
• iterators2: adds iterators2 exercise including config (9288fccf)

1.3.0 (2019-06-05)

Features

• Adds a simple exercise for structures (#163, @briankung)

Bug Fixes

• Add Result type signature as it is difficult for new comers to understand Generics and Error all at once. (#157, @veggiemonk)
• Rustfmt and whitespace fixes (#161, @eddyp)
• errorsn.rs: Separate also the hints from each other to avoid accidental viewing (#162, @eddyp)
• fixed outdated links (#165, @gushroom)
• Fix broken link (#164, @HanKruiger)
• Remove highlighting and syntect (#167, @komaeda)

1.2.2 (2019-05-07)

Bug Fixes

• Reverted --nocapture flag since it was causing tests to pass unconditionally

1.2.1 (2019-04-22)

Bug Fixes

• Fix the --nocapture feature (@komaeda)
• Provide a nicer error message for when you're in the wrong directory

1.2.0 (2019-04-22)

Features

• Add errors to exercises that compile without user changes (@yvan-sraka)
• Use --nocapture when testing, enabling println! when running (@komaeda)

1.1.1 (2019-04-14)

Bug fixes

• Fix permissions on exercise files (@zacanger, #133)
• Make installation checks more thorough (@komaeda, 1b3469f236bc6979c27f6e1a04e4138a88e55de3)
• Fix order of true/false in tests for executables (@mgeier, #137)
• Stop run from panicking when compile fails (@cjpearce, #141)
• Fix intermittent test failure caused by race condition (@cjpearce, #140)
• Fix links by deleting book version (@diodfr, #142)
• Canonicalize paths to fix path matching (@cjpearce, #143)

1.1.0 (2019-03-20)

• errors2.rs: update link to Rust book (#124)
• Start verification at most recently modified file (#120)
• Watch for file creation events in watch mode (#117)
• Add standard library types to exercises suite (#119)
• Give a warning when Rustlings isn't run from the right directory (#123)
• Verify that rust version is recent enough to install Rustlings (#131)

1.0.1 (2019-03-06)

• Adds a way to install Rustlings in one command (curl -L https://git.io/rustlings | bash)
• Makes rustlings watch react to create file events (@shaunbennett, #117)
• Reworks the exercise management to use an external TOML file instead of just listing them in the code

1.0.0 (2019-03-06)

Initial release.