CA1842: Do not use 'WhenAll' with a single task
| Property | Value |
|---|---|
| Rule ID | CA1842 |
| Title | Do not use 'WhenAll' with a single task |
| Category | Performance |
| Fix is breaking or non-breaking | Non-breaking |
| Enabled by default in .NET 8 | As suggestion |
Cause
WhenAll is called with a single task.
Rule description
Using WhenAll with a single task may result in performance loss.
How to fix violations
You should await or return the task instead.
When to suppress warnings
Do not suppress a warning from this rule.
See also
Collaborate with us on GitHub
The source for this content can be found on GitHub, where you can also create and review issues and pull requests. For more information, see our contributor guide.
