42 lines
813 B
Rust
42 lines
813 B
Rust
#![allow(unused)]
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#![warn(clippy::ref_option_ref)]
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static THRESHOLD: i32 = 10;
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static REF_THRESHOLD: &Option<&i32> = &Some(&THRESHOLD);
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const CONST_THRESHOLD: &i32 = &10;
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const REF_CONST: &Option<&i32> = &Some(&CONST_THRESHOLD);
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type RefOptRefU32<'a> = &'a Option<&'a u32>;
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type RefOptRef<'a, T> = &'a Option<&'a T>;
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fn foo(data: &Option<&u32>) {}
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fn bar(data: &u32) -> &Option<&u32> {
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&None
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}
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struct StructRef<'a> {
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data: &'a Option<&'a u32>,
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}
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struct StructTupleRef<'a>(u32, &'a Option<&'a u32>);
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enum EnumRef<'a> {
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Variant1(u32),
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Variant2(&'a Option<&'a u32>),
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}
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trait RefOptTrait {
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type A;
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fn foo(&self, _: Self::A);
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}
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impl RefOptTrait for u32 {
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type A = &'static Option<&'static Self>;
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fn foo(&self, _: Self::A) {}
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}
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fn main() {
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let x: &Option<&u32> = &None;
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}
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