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Auto merge of #12626 - CuriousCorrelation:fix/empty-reasons, r=flodiebold

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fix: trailing ':' on empty inactive reasons

## Description
Fixes trailing ':' even when there is no explanation. e.g.
``` sh
code is inactive due to #[cfg] directives:
```
## Issue
Fixes: #12615
This commit is contained in:
bors 2022-06-30 10:19:21 +00:00
commit 7f9c054686
1 changed files with 10 additions and 1 deletions
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11
crates/ide-diagnostics/src/handlers/inactive_code.rs
View file

@ -19,7 +19,13 @@ pub(crate) fn inactive_code(
let mut message = "code is inactive due to #[cfg] directives".to_string();
if let Some(inactive) = inactive {
format_to!(message, ": {}", inactive);
let inactive_reasons = inactive.to_string();
if inactive_reasons.is_empty() {
format_to!(message);
} else {
format_to!(message, ": {}", inactive);
}
}
let res = Diagnostic::new(
@ -91,6 +97,9 @@ fn f() {
#[cfg(feature = "std")] use std;
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ weak: code is inactive due to #[cfg] directives: feature = "std" is disabled
#[cfg(any())] pub fn f() {}
//^^^^^^^^^^^^^^^^^^^^^^^^^^^ weak: code is inactive due to #[cfg] directives
"#,
);
}