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thematically refactor modules2

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liv 2019-01-23 21:56:05 +01:00
parent f447adef8f
commit 05f65d67ae
1 changed files with 15 additions and 15 deletions
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30
exercises/modules/modules2.rs
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@ -1,25 +1,25 @@
// modules2.rs // modules2.rs
// Make me compile! Scroll down for hints :) // Make me compile! Scroll down for hints :)
mod us_presidential_frontrunners { mod delicious_snacks {
use self::democrats::HILLARY_CLINTON as democrat; use self::fruits::PEAR as fruit;
use self::republicans::DONALD_TRUMP as republican; use self::veggies::CUCUMBER as veggie;
mod democrats { mod fruits {
pub const HILLARY_CLINTON: &'static str = "Hillary Clinton"; pub const PEAR: &'static str = "Pear";
pub const BERNIE_SANDERS: &'static str = "Bernie Sanders"; pub const APPLE: &'static str = "Apple";
} }
mod republicans { mod veggies {
pub const DONALD_TRUMP: &'static str = "Donald Trump"; pub const CUCUMBER: &'static str = "Cucumber";
pub const JEB_BUSH: &'static str = "Jeb Bush"; pub const CARROT: &'static str = "Carrot";
} }
} }
fn main() { fn main() {
println!("candidates: {} and {}", println!("favorite snacks: {} and {}",
us_presidential_frontrunners::democrat, delicious_snacks::fruit,
us_presidential_frontrunners::republican); delicious_snacks::veggie);
} }
@ -38,8 +38,8 @@ fn main() {
// The us_presidential_frontrunners module is trying to present an external // The delicious_snacks module is trying to present an external
// interface (the `democrat` and `republican` constants) that is different than // interface (the `fruit` and `veggie` constants) that is different than
// its internal structure (the `democrats` and `republicans` modules and // its internal structure (the `fruits` and `veggies` modules and
// associated constants). It's almost there except for one keyword missing for // associated constants). It's almost there except for one keyword missing for
// each constant. // each constant.