18 lines
566 B
C#
18 lines
566 B
C#
using System.Linq.Expressions;
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// ReSharper disable once CheckNamespace
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namespace System.Linq
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{
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public static class Queryable
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{
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/// <summary>
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/// Makes a where filtering, if it is not null.
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/// </summary>
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public static IQueryable<TSource> WhereOrDefault<TSource>(this IQueryable<TSource> source, Expression<Func<TSource, bool>>? predicate)
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{
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if (source == null) throw new ArgumentNullException(nameof(source));
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return predicate is null ? source : source.Where(predicate);
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}
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}
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}
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