SpanPolyfillExtensionCommonPrefixLength(Span`1Char, ReadOnlySpan`1Char, IEqualityComparerChar) Method

Determines the length of any common prefix shared between span and other.

Definition

Namespace: FolkerKinzel.Strings
Assembly: FolkerKinzel.Strings (in FolkerKinzel.Strings.dll) Version: 9.4.0+10a7d4d71aa960998e32ac0ac6c4fcbe4164c917
C#
public static int CommonPrefixLength(
	this Span<char> span,
	ReadOnlySpan<char> other,
	IEqualityComparer<char>? comparer
)

Parameters

span  SpanChar
The first sequence to compare.
other  ReadOnlySpanChar
The second sequence to compare.
comparer  IEqualityComparerChar
The IEqualityComparerT implementation to use when comparing elements, or null to use the default IEqualityComparerT for the type of Char.

Return Value

Int32
The length of the common prefix shared by the two spans. If there's no shared prefix, 0 is returned.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type SpanChar. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

See Also