C#


ROSLYN.PERFORMANCE.CA1826 : Do not use Enumerable methods on indexable collections (C#)

See Roslyn-Detected C# Warning Classes for more information.

Summary

This collection is directly indexable. Going through LINQ here causes unnecessary allocations and CPU work.

This check corresponds to Roslyn rule CA1826. For full rule details, see the Microsoft website: CA1826.

Properties

Class Name Do not use Enumerable methods on indexable collections (C#)
Significance reliability
Mnemonic ROSLYN.PERFORMANCE.CA1826
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="Do not use Enumerable methods on indexable collections (C#)"

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.