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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-15155.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-15155.rs b/src/test/ui/issues/issue-15155.rs new file mode 100644 index 000000000..7b137b4af --- /dev/null +++ b/src/test/ui/issues/issue-15155.rs @@ -0,0 +1,21 @@ +// run-pass +trait TraitWithSend: Send {} +trait IndirectTraitWithSend: TraitWithSend {} + +// Check struct instantiation (Box<TraitWithSend> will only have Send if TraitWithSend has Send) +#[allow(dead_code)] +struct Blah { x: Box<dyn TraitWithSend> } +impl TraitWithSend for Blah {} + +// Struct instantiation 2-levels deep +#[allow(dead_code)] +struct IndirectBlah { x: Box<dyn IndirectTraitWithSend> } +impl TraitWithSend for IndirectBlah {} +impl IndirectTraitWithSend for IndirectBlah {} + +fn test_trait<T: Send + ?Sized>() { println!("got here!") } + +fn main() { + test_trait::<dyn TraitWithSend>(); + test_trait::<dyn IndirectTraitWithSend>(); +} |