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@@ -0,0 +1,31 @@
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+using System;
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+
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+namespace BuilderPatternWithRecords
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+{
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+ record Address(string Line1, string Line2, string ZipCode,
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+ string City, string Country);
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+
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+ record AddressBuilder(
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+ string Line1 = "Line 1", string Line2 = "Line 2", string ZipCode = "00-123",
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+ string City = "Lorem City", string Country = "Poland")
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+ {
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+ public Address Build() => new Address(Line1, Line2, ZipCode, City, Country);
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+ }
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+
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+ class Program
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+ {
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+ static void Main(string[] args)
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+ {
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+ var address1 = new AddressBuilder().Build();
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+ Console.WriteLine(address1);
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+
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+ var address2 = new AddressBuilder { ZipCode = "lorem" }.Build();
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+ Console.WriteLine(address2);
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+
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+ var builder = new AddressBuilder { City = "Warsaw" };
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+ var warsawA = (builder with { Line1 = "Z" }).Build();
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+ var warsawB = (builder with { Line1 = "A" }).Build();
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+ Console.WriteLine($"{warsawA}, {warsawB}");
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+ }
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+ }
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+}
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