32 lines
483 B
Rust
32 lines
483 B
Rust
use none_guard::NoneGuard;
|
|
|
|
#[derive(NoneGuard)]
|
|
struct Test {
|
|
x: Option<i32>,
|
|
y: Option<String>,
|
|
z: Option<f32>,
|
|
}
|
|
|
|
fn main() {
|
|
let x = Test {
|
|
x: Some(1),
|
|
y: None,
|
|
z: None,
|
|
};
|
|
dbg!(x.is_all_none());
|
|
|
|
let y = Test {
|
|
x: None,
|
|
y: Some("dd".to_string()),
|
|
z: Some(2.0),
|
|
};
|
|
dbg!(y.is_all_none());
|
|
|
|
let z = Test {
|
|
x: None,
|
|
y: None,
|
|
z: None,
|
|
};
|
|
dbg!(z.is_all_none());
|
|
}
|