Select Case in Visual Basic

One value against many shapes of branch: lists, ranges, comparisons.

Dim day = "sat"

Select Case day
    Case "sat", "sun"
        Console.WriteLine("weekend")
    Case Else
        Console.WriteLine("workday")
End Select

Dim load = 73
Select Case load
    Case Is >= 90
        Console.WriteLine("critical")
    Case 70 To 89
        Console.WriteLine("busy")
    Case Else
        Console.WriteLine("normal")
End Select

How it works

1. Case "sat", "sun" matches any value in the comma list.
2. Case Is >= 90 compares; Case 70 To 89 catches a whole range.
3. Case Else picks up everything the branches above declined.

Keywords and builtins used here

• Case
• Dim
• Else
• End
• Select
• To

The run, in numbers

Lines

18

Characters to type

294

Tokens

80

Three-star pace

90 tpm

At the three-star pace of 90 tokens a minute, this run takes about 53 seconds.

Type this snippet

Step 2 of 3 in Control flow, step 8 of 29 in Language basics.

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