Modern C# and .NET Tutorial: Cross-Platform Basics/

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Projecting Sequence into New Types

Projecting Sequence into New Types

Learn about object initialization syntax and how to efficiently use object initialization in LINQ projections.

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Object initialization

Before we look at projection, we need to review object initialization syntax. If we have a class defined, then we can instantiate an object using the class name, new(), and curly braces to set initial values for fields and properties, as shown in the following code:

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// Person.cs
public class Person
{
  public string Name { get; set; }
  public DateTime DateOfBirth { get; set; }
}
// Program.cs
Person knownTypeObject = new()
{
  Name = "Boris Johnson",
  DateOfBirth = new(year: 1964, month: 6, day: 19)
};

Compiler inference

Although we did not specify a type, the compiler can infer ...