chore: Removed extra whitespaces
Co-authored-by: Corentin ARNOULD <corentin.arn@gmail.com>
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@ -83,14 +83,14 @@
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* Update deps to version compatable with aarch64-pc-windows (#263) ([19a93428](https://github.com/rust-lang/rustlings/commit/19a93428b3c73d994292671f829bdc8e5b7b3401))
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* **docs:**
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* Added a necessary step to Windows installation process (#242) ([3906efcd](https://github.com/rust-lang/rustlings/commit/3906efcd52a004047b460ed548037093de3f523f))
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* Fixed mangled sentence from book; edited for clarity (#266) ([ade52ff](https://github.com/rust-lang/rustlings/commit/ade52ffb739987287ddd5705944c8777705faed9))
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* Fixed mangled sentence from book; edited for clarity (#266) ([ade52ff](https://github.com/rust-lang/rustlings/commit/ade52ffb739987287ddd5705944c8777705faed9))
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* Updated iterators readme to account for iterators4 exercise (#273) ([bec8e3a](https://github.com/rust-lang/rustlings/commit/bec8e3a644cbd88db1c73ea5f1d8a364f4a34016))
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* **installation:** make fatal errors more obvious (#272) ([17d0951e](https://github.com/rust-lang/rustlings/commit/17d0951e66fda8e11b204d5c4c41a0d5e22e78f7))
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* **iterators2:**
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* Remove reference to missing iterators2.rs (#245) ([419f7797](https://github.com/rust-lang/rustlings/commit/419f7797f294e4ce6a2b883199731b5bde77d262))
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* **as_ref_mut:** Enable a test and improve per clippy's suggestion (#256) ([dfdf809](https://github.com/rust-lang/rustlings/commit/dfdf8093ebbd4145864995627b812780de52f902))
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* **tests1:**
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* Change test command ([fe10e06c](https://github.com/rust-lang/rustlings/commit/fe10e06c3733ddb4a21e90d09bf79bfe618e97ce)
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* Change test command ([fe10e06c](https://github.com/rust-lang/rustlings/commit/fe10e06c3733ddb4a21e90d09bf79bfe618e97ce)
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* Correct test command in tests1.rs comment (#263) ([39fa7ae](https://github.com/rust-lang/rustlings/commit/39fa7ae8b70ad468da49b06f11b2383135a63bcf))
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#### Features
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@ -1,8 +1,8 @@
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### Enums
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Rust allows you to define types called "enums" which enumerate possible values.
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Rust allows you to define types called "enums" which enumerate possible values.
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Enums are a feature in many languages, but their capabilities differ in each language. Rust’s enums are most similar to algebraic data types in functional languages, such as F#, OCaml, and Haskell.
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Useful in combination with enums is Rust's "pattern matching" facility, which makes it easy to run different code for different values of an enumeration.
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Useful in combination with enums is Rust's "pattern matching" facility, which makes it easy to run different code for different values of an enumeration.
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#### Book Sections
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@ -1,5 +1,5 @@
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For this exercise check out the sections:
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- [Error Handling](https://doc.rust-lang.org/book/ch09-02-recoverable-errors-with-result.html)
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- [Generics](https://doc.rust-lang.org/book/ch10-01-syntax.html)
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- [Error Handling](https://doc.rust-lang.org/book/ch09-02-recoverable-errors-with-result.html)
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- [Generics](https://doc.rust-lang.org/book/ch10-01-syntax.html)
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of the Rust Book.
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@ -4,8 +4,8 @@
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// However, the school also issues alphabetical grades (A+ -> F-) and needs
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// to be able to print both types of report card!
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// Make the necessary code changes in the struct ReportCard and the impl block
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// to support alphabetical report cards. Change the Grade in the second test to "A+"
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// Make the necessary code changes in the struct ReportCard and the impl block
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// to support alphabetical report cards. Change the Grade in the second test to "A+"
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// to show that your changes allow alphabetical grades.
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// Execute 'rustlings hint generics3' for hints!
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@ -1,6 +1,6 @@
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### Traits
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A trait is a collection of methods.
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A trait is a collection of methods.
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Data types can implement traits. To do so, the methods making up the trait are defined for the data type. For example, the `String` data type implements the `From<&str>` trait. This allows a user to write `String::from("hello")`.
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@ -8,7 +8,7 @@ In this way, traits are somewhat similar to Java interfaces and C++ abstract cla
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Some additional common Rust traits include:
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+ `Clone` (the `clone` method),
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+ `Clone` (the `clone` method),
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+ `Display` (which allows formatted display via `{}`), and
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+ `Debug` (which allows formatted display via `{:?}`).
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@ -17,4 +17,4 @@ Because traits indicate shared behavior between data types, they are useful when
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#### Book Sections
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- [Traits](https://doc.rust-lang.org/book/ch10-02-traits.html)
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- [Traits](https://doc.rust-lang.org/book/ch10-02-traits.html)
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info.toml
26
info.toml
@ -52,7 +52,7 @@ because we want to assign a different typed value to an existing variable. Somet
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you may also like to reuse existing variable names because you are just converting
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values to different types like in this exercise.
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Fortunately Rust has a powerful solution to this problem: 'Shadowing'!
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You can read more about 'Shadowing' in the book's section 'Variables and Mutability':
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You can read more about 'Shadowing' in the book's section 'Variables and Mutability':
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https://doc.rust-lang.org/book/ch03-01-variables-and-mutability.html#shadowing
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Try to solve this exercise afterwards using this technique."""
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@ -61,13 +61,13 @@ name = "variables6"
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path = "exercises/variables/variables6.rs"
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mode = "compile"
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hint = """
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We know about variables and mutability, but there is another important type of
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variable available; constants.
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Constants are always immutable and they are declared with keyword 'const' rather
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We know about variables and mutability, but there is another important type of
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variable available; constants.
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Constants are always immutable and they are declared with keyword 'const' rather
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than keyword 'let'.
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Constants types must also always be annotated.
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Read more about constants under 'Differences Between Variables and Constants' in the book's section 'Variables and Mutability':
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Read more about constants under 'Differences Between Variables and Constants' in the book's section 'Variables and Mutability':
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https://doc.rust-lang.org/book/ch03-01-variables-and-mutability.html#differences-between-variables-and-constants
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"""
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@ -237,8 +237,8 @@ name = "structs2"
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path = "exercises/structs/structs2.rs"
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mode = "test"
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hint = """
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Creating instances of structs is easy, all you need to do is assign some values to its fields.
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There is however some shortcuts that can be taken when instantiating structs.
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Creating instances of structs is easy, all you need to do is assign some values to its fields.
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There is however some shortcuts that can be taken when instantiating structs.
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Have a look in The Book, to find out more: https://doc.rust-lang.org/stable/book/ch05-01-defining-structs.html#creating-instances-from-other-instances-with-struct-update-syntax"""
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[[exercises]]
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@ -682,8 +682,8 @@ name = "iterators4"
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path = "exercises/standard_library_types/iterators4.rs"
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mode = "test"
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hint = """
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In an imperative language, you might write a for loop that updates
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a mutable variable. Or, you might write code utilizing recursion
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In an imperative language, you might write a for loop that updates
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a mutable variable. Or, you might write code utilizing recursion
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and a match clause. In Rust you can take another functional
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approach, computing the factorial elegantly with ranges and iterators."""
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@ -703,10 +703,10 @@ name = "traits2"
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path = "exercises/traits/traits2.rs"
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mode = "test"
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hint = """
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Notice how the trait takes ownership of 'self',and returns `Self'.
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Notice how the trait takes ownership of 'self',and returns `Self'.
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Try mutating the incoming string vector.
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Vectors provide suitable methods for adding an element at the end. See
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Vectors provide suitable methods for adding an element at the end. See
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the documentation at: https://doc.rust-lang.org/std/vec/struct.Vec.html"""
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# Generics
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@ -724,7 +724,7 @@ name = "generics2"
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path = "exercises/generics/generics2.rs"
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mode = "test"
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hint = """
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Currently we are wrapping only values of type 'u32'.
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Currently we are wrapping only values of type 'u32'.
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Maybe we could update the explicit references to this data type somehow?
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If you are still stuck https://doc.rust-lang.org/stable/book/ch10-01-syntax.html#in-method-definitions
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@ -735,7 +735,7 @@ name = "generics3"
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path = "exercises/generics/generics3.rs"
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mode = "test"
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hint = """
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To find the best solution to this challenge you're going to need to think back to your
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To find the best solution to this challenge you're going to need to think back to your
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knowledge of traits, specifically Trait Bound Syntax - you may also need this: "use std::fmt::Display;"
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This is definitely harder than the last two exercises! You need to think about not only making the
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@ -35,7 +35,7 @@ if (Get-Command cargo -ErrorAction SilentlyContinue) {
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function vercomp($v1, $v2) {
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if ($v1 -eq $v2) {
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return 0
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}
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}
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$v1 = $v1.Replace(".", "0")
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$v2 = $v2.Replace(".", "0")
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