diff options
Diffstat (limited to 'src/test/ui/nll/region-ends-after-if-condition.rs')
-rw-r--r-- | src/test/ui/nll/region-ends-after-if-condition.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/nll/region-ends-after-if-condition.rs b/src/test/ui/nll/region-ends-after-if-condition.rs new file mode 100644 index 000000000..f67de03ca --- /dev/null +++ b/src/test/ui/nll/region-ends-after-if-condition.rs @@ -0,0 +1,32 @@ +// Basic test for liveness constraints: the region (`R1`) that appears +// in the type of `p` includes the points after `&v[0]` up to (but not +// including) the call to `use_x`. The `else` branch is not included. + +#![allow(warnings)] +#![feature(rustc_attrs)] + +struct MyStruct { + field: String +} + +fn foo1() { + let mut my_struct = MyStruct { field: format!("Hello") }; + + let value = &my_struct.field; + if value.is_empty() { + my_struct.field.push_str("Hello, world!"); + } +} + +fn foo2() { + let mut my_struct = MyStruct { field: format!("Hello") }; + + let value = &my_struct.field; + if value.is_empty() { + my_struct.field.push_str("Hello, world!"); + //~^ ERROR [E0502] + } + drop(value); +} + +fn main() { } |