AL0004 - Use pattern matching when comparing Span with constants

Use pattern matching instead of equality operators for Span constant comparisons

Source: AL0004ToAL0005SpanComparisonAnalyzer.cs

Description

When comparing Span and a constant, use pattern matching instead of equality operators, unless you want to compare addresses.

Bad Code

if (span == "hello")

Good Code

if (span is "hello")

Properties

• Category: Usage
• Severity: Warning
• Enabled by default: True
• Code fix available: True

Configuration

dotnet_diagnostic.AL0004.severity = warning