58 lines
1.5 KiB
Rust
58 lines
1.5 KiB
Rust
struct MyStruct;
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impl MyStruct {
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pub fn get_option() -> Option<Self> {
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todo!()
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}
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}
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fn return_option() -> Option<i32> {
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todo!()
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}
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fn main() {
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println!("Testing non erroneous option_take_on_temporary");
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let mut option = Some(1);
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let _ = Box::new(move || option.take().unwrap());
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println!("Testing non erroneous option_take_on_temporary");
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let x = Some(3);
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x.as_ref();
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let x = Some(3);
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x.as_ref();
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//~^ ERROR: called `Option::take()` on a temporary value
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println!("Testing non erroneous option_take_on_temporary");
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let mut x = Some(3);
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let y = x.as_mut();
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let mut x = Some(3);
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let y = x.as_mut();
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//~^ ERROR: called `Option::take()` on a temporary value
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let y = x.replace(289);
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//~^ ERROR: called `Option::take()` on a temporary value
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let y = Some(3).as_mut();
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//~^ ERROR: called `Option::take()` on a temporary value
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let y = Option::as_mut(&mut x);
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//~^ ERROR: called `Option::take()` on a temporary value
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let x = return_option();
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let x = return_option();
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//~^ ERROR: called `Option::take()` on a temporary value
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let x = MyStruct::get_option();
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let x = MyStruct::get_option();
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//~^ ERROR: called `Option::take()` on a temporary value
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let mut my_vec = vec![1, 2, 3];
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my_vec.push(4);
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let y = my_vec.first();
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let y = my_vec.first();
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//~^ ERROR: called `Option::take()` on a temporary value
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let y = my_vec.first();
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//~^ ERROR: called `Option::take()` on a temporary value
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}
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