https://github.com/patridge/vb-default-tests

Confirming the various ways of doing C#'s default(T) in VB
https://github.com/patridge/vb-default-tests

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Confirming the various ways of doing C#'s default(T) in VB

• Host: GitHub
• URL: https://github.com/patridge/vb-default-tests
• Owner: patridge
• License: mit
• Created: 2012-04-20T16:58:07.000Z (about 13 years ago)
• Default Branch: master
• Last Pushed: 2014-07-02T16:18:44.000Z (almost 11 years ago)
• Last Synced: 2025-01-01T10:25:29.138Z (5 months ago)
• Language: Visual Basic
• Size: 156 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
VB-default-tests

================

Confirming the various ways of doing C#'s `default(T)` in VB are all equivalent.

Methods tested [using simple Debug.Assert on a command line app]:

    Public Function GetDefaultDeclaration(Of T)() As T

        Dim result As T = Nothing

        Return result

    End Function

    Public Function GetDefaultNothingDirect(Of T)() As T

        Return Nothing

    End Function

    Public Function GetDefaultNothingCtype(Of T)() As T

        Return CType(Nothing, T)

    End Function

    Public Function GetDefaultNothingDirectCast(Of T)() As T

        Return DirectCast(Nothing, T)

    End Function

    

Method not tested:

    Return New T() ' Not equivalent to default(T) at all and only works for reference types.