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@markv12
Last active July 27, 2022 22:40
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C# Action Func Predicate Examples
using System;
public class DelegateExamples
{
public void Run()
{
Action action1 = delegate { /*Do something*/ };
action1();
FunctionWithOnComplete(action1);
Action<int> action2 = delegate (int param1) { /*Do something*/ };
action2(1);
Action<int, float> action3 = delegate (int param1, float param2) { /*Do something*/ };
action3(1, 2.1f);
Action<int, float> action3B = ActionExampleFunction;
action3B(1, 2.1f);
//Func func0 = delegate ... //doesn't compile
Func<int> func1 = delegate { return 1; };
int a = func1();
Func<int, int> func2 = delegate (int param1) { return param1 + 1; };
int b = func2(1);
Func<int, float, int> func3 = delegate (int param1, float param2) { return param1 + ((int)param2) + 1; };
int c = func3(1, 1.1f);
Func<int, float, int> func3B = FuncExampleFunction;
int d = func3B(1, 1.1f);
//Func<int, bool>
Predicate<int> pred1 = delegate (int param1) { return true; };
bool b1 = pred1(1);
//Predicate<int, float> pred2 = delegate { return true; }; //Doesn't compile
int result = a + b + c + d;
}
private void FunctionWithOnComplete(Action onComplete)
{
//Do actual work
//onComplete();
onComplete?.Invoke();
}
private void ActionExampleFunction(int param1, float param2)
{
}
private int FuncExampleFunction(int param1, float param2)
{
return 1;
}
}
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