JavaScript is not currently enabled, but is required for full CodeSonar manual search and browse functionality.
If you are viewing this file in your hub's Web GUI, enable JavaScript in your browser: you will also need it for GUI functionality.
If you opened this file directly from disk, your browser may be directly suppressing JavaScript functionality: certain browsers perform this suppression on local files (but not files delivered by web servers) for security reasons.
| CodeSonar® 9.0p0 Hot Tips | CONFIDENTIAL | CodeSecure Inc |
See Roslyn-Detected C# Warning Classes for more information.
'ContainsKey' is usually O(1), while 'Keys.Contains' may be O(n) in some cases. Additionally, many dictionary implementations lazily initialize the Keys collection to cut back on allocations.
This check corresponds to Roslyn rule CA1841. For full rule details, see the Microsoft website: CA1841.
| Class Name | Prefer Dictionary.Contains methods (C#) |
|---|---|
| Significance | reliability |
| Mnemonic | ROSLYN.PERFORMANCE.CA1841 |
| Categories | None |
| Availability | Available for C# only. |
| Enabling | Checks for this warning class are enabled by
default. To disable them, add the following WARNING_FILTER rule to the
project configuration file.
WARNING_FILTER += discard class="Prefer Dictionary.Contains methods (C#)" |
The following configuration file parameters affect checks for this warning class.
Japanese (ja)