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Clarify constructors in the speaker notes for methods (#992)

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Dominik Maier 2023-07-17 23:17:26 +02:00 committed by GitHub
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1 changed files with 5 additions and 3 deletions
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src/basic-syntax/methods.md
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@ -31,7 +31,7 @@ fn main() {
<details> <details>
- Add a `Rectangle::new` constructor and call this from `main`: - Add a static method called `Rectangle::new` and call this from `main`:
```rust,editable,compile_fail ```rust,editable,compile_fail
fn new(width: u32, height: u32) -> Rectangle { fn new(width: u32, height: u32) -> Rectangle {
@ -39,7 +39,9 @@ fn main() {
} }
``` ```
- Add a `Rectangle::new_square(width: u32)` constructor to illustrate that - While _technically_, rust does not have custom constructors, static methods are commonly used to initialize structs (but don't have to).
constructors can take arbitrary parameters. The actual constructor, `Rectangle { width, height }`, could be called directly. See the [Rustnomicon](https://doc.rust-lang.org/nomicon/constructors.html).
- Add a `Rectangle::new_square(width: u32)` constructor to illustrate that such static methods can take arbitrary parameters.
</details> </details>