58 lines
1.5 KiB
C#
58 lines
1.5 KiB
C#
extern alias JB;
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using System;
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using System.Runtime.CompilerServices;
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using JB::JetBrains.Annotations;
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using NitroxModel.DataStructures.Util;
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namespace NitroxModel.Helper;
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public static class Validate
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{
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// "where T : class" prevents non-nullable valuetypes from getting boxed to objects.
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// In other words: Error when trying to assert non-null on something that can't be null in the first place.
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[ContractAnnotation("o:null => halt")]
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public static void NotNull<T>(T o, [CallerArgumentExpression("o")] string argumentExpression = null) where T : class
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{
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if (o != null)
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{
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return;
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}
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throw new ArgumentNullException(argumentExpression);
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}
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public static void IsTrue(bool b, [CallerArgumentExpression("b")] string argumentExpression = null)
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{
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if (!b)
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{
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throw new ArgumentException(argumentExpression);
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}
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}
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public static void IsFalse(bool b, [CallerArgumentExpression("b")] string argumentExpression = null)
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{
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if (b)
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{
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throw new ArgumentException(argumentExpression);
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}
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}
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public static T IsPresent<T>(Optional<T> opt) where T : class
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{
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if (!opt.HasValue)
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{
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throw new OptionalEmptyException<T>();
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}
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return opt.Value;
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}
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public static T IsPresent<T>(Optional<T> opt, string message) where T : class
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{
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if (!opt.HasValue)
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{
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throw new OptionalEmptyException<T>(message);
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}
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return opt.Value;
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}
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}
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