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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:12:43 +0000 |
commit | cf94bdc0742c13e2a0cac864c478b8626b266e1b (patch) | |
tree | 044670aa50cc5e2b4229aa0b6b3df6676730c0a6 /src/test/ui/borrowck/issue-103250.rs | |
parent | Adding debian version 1.65.0+dfsg1-2. (diff) | |
download | rustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.tar.xz rustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/borrowck/issue-103250.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/issue-103250.rs b/src/test/ui/borrowck/issue-103250.rs new file mode 100644 index 000000000..46565f61c --- /dev/null +++ b/src/test/ui/borrowck/issue-103250.rs @@ -0,0 +1,37 @@ +// edition:2021 + +type TranslateFn = Box<dyn Fn(String, String) -> String>; + +pub struct DeviceCluster { + devices: Vec<Device>, +} + +impl DeviceCluster { + pub async fn do_something(&mut self) -> Result<String, Box<dyn std::error::Error>> { + let mut last_error: Box<dyn std::error::Error>; + + for device in &mut self.devices { + match device.do_something().await { + Ok(info) => { + return Ok(info); + } + Err(e) => {} + } + } + + Err(last_error) + //~^ ERROR used binding `last_error` isn't initialized + } +} + +pub struct Device { + translate_fn: Option<TranslateFn>, +} + +impl Device { + pub async fn do_something(&mut self) -> Result<String, Box<dyn std::error::Error>> { + Ok(String::from("")) + } +} + +fn main() {} |