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Update option2.rs

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I think a simple add of "TODO" will make this exercise look more in line with the other exercises.
Other exercises included a "TODO" before when the programmer was expected to enter a solution.
This commit is contained in:
Stefan Kupresak 2020-05-16 14:17:26 +02:00 committed by GitHub
parent 763aa6e378
commit 52d307460c
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1 changed files with 2 additions and 2 deletions
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4
exercises/option/option2.rs
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@ -5,7 +5,7 @@
fn main() { fn main() {
let optional_value = Some(String::from("rustlings")); let optional_value = Some(String::from("rustlings"));
// Make this an if let statement whose value is "Some" type // TODO: Make this an if let statement whose value is "Some" type
value = optional_value { value = optional_value {
println!("the value of optional value is: {}", value); println!("the value of optional value is: {}", value);
} else { } else {
@ -17,7 +17,7 @@ fn main() {
optional_values_vec.push(Some(x)); optional_values_vec.push(Some(x));
} }
// make this a while let statement - remember that vector.pop also adds another layer of Option<T> // TODO: make this a while let statement - remember that vector.pop also adds another layer of Option<T>
// You can stack `Option<T>`'s into while let and if let // You can stack `Option<T>`'s into while let and if let
value = optional_values_vec.pop() { value = optional_values_vec.pop() {
println!("current value: {}", value); println!("current value: {}", value);