41 lines
1.2 KiB
C#
41 lines
1.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Reflection;
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namespace IrcStates
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{
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public static class Extensions
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{
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public static Delegate CreateDelegate(this MethodInfo methodInfo, object target)
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{
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if (methodInfo == null) return null;
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var types = methodInfo.GetParameters().Select(p => p.ParameterType);
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Func<Type[], Type> getType;
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if (methodInfo.ReturnType == typeof(void))
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{
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getType = Expression.GetActionType;
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}
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else
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{
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getType = Expression.GetFuncType;
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types = types.Concat(new[] {methodInfo.ReturnType});
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}
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return methodInfo.IsStatic
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? Delegate.CreateDelegate(getType(types.ToArray()), methodInfo)
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: Delegate.CreateDelegate(getType(types.ToArray()), target, methodInfo);
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}
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public static void UpdateWith<TKey, TValue>(this Dictionary<TKey, TValue> dict, Dictionary<TKey, TValue> other)
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{
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if (dict == null || other == null || !other.Any()) return;
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foreach (var (key, value) in other) dict[key] = value;
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}
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}
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}
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