UpdateBuilder(TDocument).PopFirst(TValue) Method

UpdateBuilderTDocumentPopFirstTValue Method

Removes the first value from the named array element (see $pop).

Namespace: MongoDB.Driver.Builders
Assembly: MongoDB.Driver.Legacy (in MongoDB.Driver.Legacy.dll) Version: 2.4.1

Syntax

Copy

public UpdateBuilder<TDocument> PopFirst<TValue>(
	Expression<Func<TDocument, IEnumerable<TValue>>> memberExpression
)

Public Function PopFirst(Of TValue) ( 
	memberExpression As Expression(Of Func(Of TDocument, IEnumerable(Of TValue)))
) As UpdateBuilder(Of TDocument)

member PopFirst : 
        memberExpression : Expression<Func<'TDocument, IEnumerable<'TValue>>> -> UpdateBuilder<'TDocument>

Parameters

memberExpression: Type: System.Linq.ExpressionsExpressionFuncTDocument, IEnumerableTValue
The member expression.

Type Parameters

TValue: The type of the enumerable member values.

Return Value

Type: UpdateBuilderTDocument
The builder (so method calls can be chained).

Reference

UpdateBuilderTDocument Class

MongoDB.Driver.Builders Namespace