.NET Types and PerlNET

The .NET types that we use in PerlNET may be divided into two major groups: value types and reference types. Value type variables store the value itself, while reference type variables store a reference (an address in memory where the data is located). References are useful for compound types, and usually we use them to work with instances of .NET class types—objects.

Whenever a .NET method returns an object, PerlNET stores a reference to it unless this object represents one of the value types: System.Int32, System.Double, System.Decimal, and so on. Here are the .NET value types of our interest (they all reside in the System namespace):

  • Boolean

  • Char

  • SByte

  • Int16

  • Int32

  • Int64

  • Byte

  • UInt16

  • UInt32

  • UInt64

  • Single

  • Double

  • Decimal

PerlNET stores ...

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