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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/borrowck/issue-102209.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/issue-102209.rs b/src/test/ui/borrowck/issue-102209.rs new file mode 100644 index 000000000..37628bff7 --- /dev/null +++ b/src/test/ui/borrowck/issue-102209.rs @@ -0,0 +1,28 @@ +use std::marker::PhantomData; + +pub struct NfaBuilder<'brand> { + brand: PhantomData<&'brand mut &'brand mut ()>, +} + +impl NfaBuilder<'_> { + pub fn with<R, F: FnOnce(NfaBuilder<'_>) -> R>(f: F) -> R { + Brand::with(|brand| { + f(Self { brand: brand.lt }) + //~^ ERROR lifetime may not live long enough + //~| ERROR lifetime may not live long enough + }) + } +} + +#[derive(Clone, Copy)] +pub struct Brand<'brand> { + lt: PhantomData<&'brand mut &'brand mut ()>, +} + +impl Brand<'_> { + pub fn with<R, F: FnOnce(Brand<'_>) -> R>(f: F) -> R { + f(Self { lt: PhantomData }) + } +} + +fn main() {} |