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clippy3: Make the intent more clear
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This commit is contained in:
mo8it 2024-11-13 16:06:41 +01:00
parent e6cb104294
commit 38016cb2d6
2 changed files with 6 additions and 4 deletions
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6
exercises/22_clippy/clippy3.rs
View file

@ -4,9 +4,11 @@
#[rustfmt::skip] #[rustfmt::skip]
#[allow(unused_variables, unused_assignments)] #[allow(unused_variables, unused_assignments)]
fn main() { fn main() {
let my_option: Option<()> = None; let my_option: Option<&str> = None;
// Assume that you don't know the value of `my_option`.
// In the case of `Some`, we want to print its value.
if my_option.is_none() { if my_option.is_none() {
println!("{:?}", my_option.unwrap()); println!("{}", my_option.unwrap());
} }
let my_arr = &[ let my_arr = &[

4
solutions/22_clippy/clippy3.rs
View file

@ -3,11 +3,11 @@ use std::mem;
#[rustfmt::skip] #[rustfmt::skip]
#[allow(unused_variables, unused_assignments)] #[allow(unused_variables, unused_assignments)]
fn main() { fn main() {
let my_option: Option<()> = None; let my_option: Option<&str> = None;
// `unwrap` of an `Option` after checking if it is `None` will panic. // `unwrap` of an `Option` after checking if it is `None` will panic.
// Use `if-let` instead. // Use `if-let` instead.
if let Some(value) = my_option { if let Some(value) = my_option {
println!("{value:?}"); println!("{value}");
} }
// A comma was missing. // A comma was missing.