C# (CSharp) IComparer.OrDefault Exemples

Exemple #1

 public static bool IsAtMostExclusive <T>(this T value, T max, IComparer <T>?comparer) =>
 comparer.OrDefault().Compare(value, max) < 0;

Exemple #2

 public PropertyComparer(Func <T, P> getProperty, IComparer <P>?propertyComparer = null)
 {
     this.getProperty      = getProperty ?? throw new ArgumentNullException(nameof(getProperty));
     this.propertyComparer = propertyComparer.OrDefault();
 }

Exemple #3

 public static bool IsAtLeastExclusive <T>(this T value, T min, IComparer <T>?comparer) =>
 comparer.OrDefault().Compare(value, min) > 0;