Object type
An object type is a programming-language type that specifies the representation, possible values, structure, and operations of objects.
Learn PowerShell in a Month of Lunches: Fourth Edition, Covers Windows, Linux, and macOS
An object type is the runtime classification that determines an object's available structure and behavior.
- How it is used
- Uses object types to inspect pipeline data, guide formatting, and constrain variables against conversion-related logic errors.
- How deep it goes
- Explains type inspection, common declarations, conversion, enforcement, and mixed-pipeline formatting, while deferring custom combined output.
- Examples
- Demonstrates integer input, Get-Member inspection, invalid conversion, variable retyping, and mixed process-history formatting.
- What you can do after
- Diagnose pipeline behavior with Get-Member and apply explicit variable types to obtain predictable arithmetic and conversion errors.
Learn PowerShell Scripting in a Month of Lunches, Second Edition: Write and organize scripts and tools
An object type is the runtime type classification that identifies the structure and behavior of an object.
- How it is used
- Uses object types to select PowerShell formatting views for script and command output.
- How deep it goes
- Explains XML view structure and TypeName selection, but stops short of comprehensive formatting coverage.
- Examples
- Uses a System.CodeDom.Compiler.CompilerError view displaying error text, location, number, and source.
- What you can do after
- Operate/configure custom PowerShell output by associating object types with XML-defined formatting views.
Related concepts
- sizeof operatorused by · The sizeof operator is a C and C++ unary operator that yields the size of a type or expression in bytes.
- missing valuecontrasts with · A missing value is a representation or condition indicating that an expected data value or object reference is absent, unknown, unavailable, or inapplicable.
- objectuses · A computational object is a runtime entity or structured value representing data, state, or a resource, with properties or operations defined by its programming model.
- formattingconfigures · Formatting is arranging or transforming content, data, or code to conform to specified structural, syntactic, or presentation conventions.
- viewconfigures · A view is a named, stored set of formatting rules for displaying objects of a particular type.
- bindingconfigures · Name binding is the association of an identifier with the program entity or value it denotes.
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