rust/tests/ui/manual_unwrap_or_default.rs
2024-03-10 01:23:28 +01:00

41 lines
1.0 KiB
Rust

#![warn(clippy::manual_unwrap_or_default)]
#![allow(clippy::unnecessary_literal_unwrap)]
fn main() {
let x: Option<Vec<String>> = None;
match x {
//~^ ERROR: match can be simplified with `.unwrap_or_default()`
Some(v) => v,
None => Vec::default(),
};
let x: Option<Vec<String>> = None;
match x {
//~^ ERROR: match can be simplified with `.unwrap_or_default()`
Some(v) => v,
_ => Vec::default(),
};
let x: Option<String> = None;
match x {
//~^ ERROR: match can be simplified with `.unwrap_or_default()`
Some(v) => v,
None => String::new(),
};
let x: Option<Vec<String>> = None;
match x {
//~^ ERROR: match can be simplified with `.unwrap_or_default()`
None => Vec::default(),
Some(v) => v,
};
let x: Option<Vec<String>> = None;
if let Some(v) = x {
//~^ ERROR: if let can be simplified with `.unwrap_or_default()`
v
} else {
Vec::default()
};
}