Enumerable.All tells whether all elements of a sequence satisfy a condition. : Enumerable « Data Structure « VB.Net






Enumerable.All tells whether all elements of a sequence satisfy a condition.

 


Imports System
Imports System.Linq
Imports System.Collections.Generic

    Structure Pet
        Public Name As String
        Public Age As Integer
    End Structure

Public Class Example

    Public Shared Sub Main() 
        Dim pets() As Pet = _
            {New Pet With {.Name = "A", .Age = 2}, _
             New Pet With {.Name = "B", .Age = 4}, _
             New Pet With {.Name = "C", .Age = 7}}

        Dim allNames As Boolean = pets.All(Function(ByVal pet) pet.Name.StartsWith("B"))

        Console.WriteLine(allNames)
    End Sub
End Class

   
  








Related examples in the same category

1.Enumerable.Any Determines whether a sequence contains any elements.
2.Enumerable.Concat(TSource) concatenates two sequences.
3.Enumerable.Contains tells whether a sequence contains a specified element
4.Enumerable.Distinct returns distinct elements from a sequence by using the default equality comparer to compare values.
5.Enumerable.Except produces the set difference of two sequences by using the default equality comparer to compare values.
6.Enumerable.Except produces the set difference of two sequences by using IEqualityComparer(Of T)
7.Enumerable.GroupBy groups the elements of a sequence according to a specified key selector function and projects the elements for each group by using a specified function.
8.Enumerable.Intersect produces the set intersection of two sequences
9.Enumerable.SequenceEqual Determines whether two sequences are equal by comparing the elements
10.Enumerable.SequenceEqual determines whether two sequences are equal by comparing their elements by using a specified IEqualityComparer(Of T).
11.Enumerable.Union returns set union of two sequences by using the default equality comparer.
12.Enumerable.Union produces the set union of two sequences by using a specified IEqualityComparer(Of T).