From 98cd00de6378550985d819ac8cd1227c8a10818e Mon Sep 17 00:00:00 2001 From: mo8it Date: Sat, 22 Jun 2024 13:24:06 +0200 Subject: [PATCH] modules2 solution --- exercises/10_modules/modules2.rs | 19 +++++++++---------- rustlings-macros/info.toml | 11 ++++++----- solutions/10_modules/modules2.rs | 24 +++++++++++++++++++++++- 3 files changed, 38 insertions(+), 16 deletions(-) diff --git a/exercises/10_modules/modules2.rs b/exercises/10_modules/modules2.rs index 5f8b0d51..24dce41f 100644 --- a/exercises/10_modules/modules2.rs +++ b/exercises/10_modules/modules2.rs @@ -1,20 +1,19 @@ // You can bring module paths into scopes and provide new names for them with -// the 'use' and 'as' keywords. Fix these 'use' statements to make the code -// compile. +// the `use` and `as` keywords. mod delicious_snacks { - // TODO: Fix these use statements - use self::fruits::PEAR as ??? - use self::veggies::CUCUMBER as ??? + // TODO: Add the follwing two `use` statements after fixing them. + // use self::fruits::PEAR as ???; + // use self::veggies::CUCUMBER as ???; mod fruits { - pub const PEAR: &'static str = "Pear"; - pub const APPLE: &'static str = "Apple"; + pub const PEAR: &str = "Pear"; + pub const APPLE: &str = "Apple"; } mod veggies { - pub const CUCUMBER: &'static str = "Cucumber"; - pub const CARROT: &'static str = "Carrot"; + pub const CUCUMBER: &str = "Cucumber"; + pub const CARROT: &str = "Carrot"; } } @@ -22,6 +21,6 @@ fn main() { println!( "favorite snacks: {} and {}", delicious_snacks::fruit, - delicious_snacks::veggie + delicious_snacks::veggie, ); } diff --git a/rustlings-macros/info.toml b/rustlings-macros/info.toml index 97d7e07d..ba414e34 100644 --- a/rustlings-macros/info.toml +++ b/rustlings-macros/info.toml @@ -535,12 +535,13 @@ name = "modules2" dir = "10_modules" test = false hint = """ -The delicious_snacks module is trying to present an external interface that is -different than its internal structure (the `fruits` and `veggies` modules and -associated constants). Complete the `use` statements to fit the uses in main and -find the one keyword missing for both constants. +The `delicious_snacks` module is trying to present an external interface that +is different than its internal structure (the `fruits` and `veggies` modules +and associated constants). Complete the `use` statements to fit the uses in +`main` and find the one keyword missing for both constants. -Learn more at https://doc.rust-lang.org/book/ch07-04-bringing-paths-into-scope-with-the-use-keyword.html#re-exporting-names-with-pub-use""" +Learn more in The Book: +https://doc.rust-lang.org/book/ch07-04-bringing-paths-into-scope-with-the-use-keyword.html#re-exporting-names-with-pub-use""" [[exercises]] name = "modules3" diff --git a/solutions/10_modules/modules2.rs b/solutions/10_modules/modules2.rs index 4e181989..55c316d7 100644 --- a/solutions/10_modules/modules2.rs +++ b/solutions/10_modules/modules2.rs @@ -1 +1,23 @@ -// Solutions will be available before the stable release. Thank you for testing the beta version 🥰 +mod delicious_snacks { + // Added `pub` and used the expected alias after `as`. + pub use self::fruits::PEAR as fruit; + pub use self::veggies::CUCUMBER as veggie; + + mod fruits { + pub const PEAR: &str = "Pear"; + pub const APPLE: &str = "Apple"; + } + + mod veggies { + pub const CUCUMBER: &str = "Cucumber"; + pub const CARROT: &str = "Carrot"; + } +} + +fn main() { + println!( + "favorite snacks: {} and {}", + delicious_snacks::fruit, + delicious_snacks::veggie, + ); +}