diff options
| -rw-r--r-- | exercises/07_structs/structs2.rs | 4 | ||||
| -rw-r--r-- | rustlings-macros/info.toml | 2 | ||||
| -rw-r--r-- | solutions/07_structs/structs2.rs | 52 |
3 files changed, 54 insertions, 4 deletions
diff --git a/exercises/07_structs/structs2.rs b/exercises/07_structs/structs2.rs index 451dbe7..79141af 100644 --- a/exercises/07_structs/structs2.rs +++ b/exercises/07_structs/structs2.rs @@ -1,5 +1,3 @@ -// Address all the TODOs to make the tests pass! - #[derive(Debug)] struct Order { name: String, @@ -34,8 +32,10 @@ mod tests { #[test] fn your_order() { let order_template = create_order_template(); + // TODO: Create your own order using the update syntax and template above! // let your_order = + assert_eq!(your_order.name, "Hacker in Rust"); assert_eq!(your_order.year, order_template.year); assert_eq!(your_order.made_by_phone, order_template.made_by_phone); diff --git a/rustlings-macros/info.toml b/rustlings-macros/info.toml index 81b9895..08bbd74 100644 --- a/rustlings-macros/info.toml +++ b/rustlings-macros/info.toml @@ -421,7 +421,7 @@ Creating instances of structs is easy, all you need to do is assign some values to its fields. There are however some shortcuts that can be taken when instantiating structs. -Have a look in The Book, to find out more: +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""" [[exercises]] diff --git a/solutions/07_structs/structs2.rs b/solutions/07_structs/structs2.rs index 4e18198..589dd93 100644 --- a/solutions/07_structs/structs2.rs +++ b/solutions/07_structs/structs2.rs @@ -1 +1,51 @@ -// Solutions will be available before the stable release. Thank you for testing the beta version 🥰 +#[derive(Debug)] +struct Order { + name: String, + year: u32, + made_by_phone: bool, + made_by_mobile: bool, + made_by_email: bool, + item_number: u32, + count: u32, +} + +fn create_order_template() -> Order { + Order { + name: String::from("Bob"), + year: 2019, + made_by_phone: false, + made_by_mobile: false, + made_by_email: true, + item_number: 123, + count: 0, + } +} + +fn main() { + // You can optionally experiment here. +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn your_order() { + let order_template = create_order_template(); + + let your_order = Order { + name: String::from("Hacker in Rust"), + count: 1, + // Struct update syntax + ..order_template + }; + + assert_eq!(your_order.name, "Hacker in Rust"); + assert_eq!(your_order.year, order_template.year); + assert_eq!(your_order.made_by_phone, order_template.made_by_phone); + assert_eq!(your_order.made_by_mobile, order_template.made_by_mobile); + assert_eq!(your_order.made_by_email, order_template.made_by_email); + assert_eq!(your_order.item_number, order_template.item_number); + assert_eq!(your_order.count, 1); + } +} |