MotzArt NullChecks

Extension methods for Fluent null checks.

Features:

• Fluent methods.
• All null check methods has overloads for Nullable<T> struct that return not nullable value.
• All methods are fully anotated with C# nullability attributes.
• All methods capture expression that is checked for null.

EnsureNotNull

Use EnsureNotNull extension method to check any expression for null right inside an expression:

var fs = File.Open(fileName.EnsureNotNull());

If fileName is null a NullReferenceExcption will be thrown with message "fileName should not be null."

EnsureArgumentNotNull

Use EnsureArgumentNotNull extension method to check method's arguments for null.

var fs = File.Open(fileName.EnsureArgumentNotNull());

EnsureNotEmpty

Use EnsureNotEmpty to check if collection is not null and not empty.

var firstArg = args.EnsureNotEmpty()[0];