using Microsoft.Extensions.Logging;
namespace TestLib;
public static class StringUtils
{
public static string FormatName(string firstName, string lastName)
{
return $"{lastName}, {firstName}";
}
public static int Add(int a, int b)
{
return a + b;
}
public static string Greet(string name)
{
Console.WriteLine($"Greeting {name}...");
return $"Hello, {name}!";
}
}
public class Calculator
{
private readonly int _initialValue;
private readonly ILogger<Calculator>? _logger;
public Calculator()
{
_initialValue = 0;
}
public Calculator(int initialValue)
{
_initialValue = initialValue;
}
public Calculator(ILogger<Calculator> logger)
{
_logger = logger;
_initialValue = 0;
}
public Calculator(int initialValue, ILogger<Calculator> logger)
{
_initialValue = initialValue;
_logger = logger;
}
public int Add(int value)
{
_logger?.LogInformation("Adding {Value} to {Initial}", value, _initialValue);
var result = _initialValue + value;
_logger?.LogInformation("Result: {Result}", result);
return result;
}
public int Multiply(int value)
{
_logger?.LogInformation("Multiplying {Initial} by {Value}", _initialValue, value);
return _initialValue * value;
}
}
public class Person
{
public string Name { get; set; } = "";
public int Age { get; set; }
public override string ToString() => $"{Name} ({Age})";
}
public static class PersonService
{
public static Person CreatePerson(string name, int age)
{
return new Person { Name = name, Age = age };
}
public static string Describe(Person person)
{
return $"{person.Name} is {person.Age} years old";
}
}
public static class AsyncExamples
{
public static async Task<string> FetchDataAsync(string url)
{
await Task.Delay(100);
return $"Data from {url}";
}
public static async Task<int> ComputeAsync(int value)
{
await Task.Delay(50);
return value * 2;
}
}
