Imports System.Collections.Generic
Imports System.Numerics
Public Structure MapInfo : Implements IComparable(Of MapInfo)
Public Sub New(name As String, lightYears As Double)
Me.Name = name
Me.Distance = CType(Math.Round(lightYears * 5.88e12), BigInteger)
End Sub
Public Sub New(name As String, distance As BigInteger)
Me.Name = name
Me.Distance = distance
End Sub
Public Name As String
Public Distance As BigInteger
Public Overrides Function ToString() As String
Return String.Format("{0,-10} ({1:N0})", Me.Name, Me.Distance)
End Function
Public Function CompareTo(other As MapInfo) As Integer Implements IComparable(Of MapInfo).CompareTo
Return Me.Distance.CompareTo(other.Distance)
End Function
End Structure
Module Example
Public Sub Main()
Dim star As MapInfo
Dim stars As New List(Of MapInfo)
star = New MapInfo("A", 123456.6d)
stars.Add(star)
star = New MapInfo("B", 1d)
stars.Add(star)
star = New MapInfo("C", 31d)
stars.Add(star)
star = New MapInfo("D", 51d)
stars.Add(star)
stars.Sort()
For Each star In stars
Console.WriteLine(star)
Next
End Sub
End Module