Attribute

As explained in Building User-Friendly DSLs

A named characteristic of a language concept whose type determines the kind of value or relation it can hold.

How Building User-Friendly DSLs covers it

How deep it goes

Specifies names, types, optional initial values, relations, and structural migrations, but stops short of implementation details for defining attributes.

Examples

Uses car-rental record types and a Data Attribute migration that renames initial value to value.

What it assumes

Assumes basic familiarity with DSL concepts and instances while teaching attribute names, types, values, and relations directly.

What you can do after

Apply typed attributes to model DSL data and diagnose structural changes requiring AST migration.

How it connects

Connects concepts, properties, types, instances, settings, record types, abstract syntax trees, and AST migrations.

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Also explained in

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  Python Workout: 50 ten-minute exercisesAn attribute is a named value or behavior associated with a Python object or class and accessed through attribute syntax.
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  Web Components in Action
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  Functional Programming in Scala, Second EditionA property is a Boolean-valued statement about program behavior that should hold for a range of inputs or configurations.
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  Kotlin in Action, 2EAn annotation is a declaration-associated metadata construct whose availability and retention can be configured for source processing, compiled class files, or runtime access.
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  Authorization in ActionAn identity attribute is a piece of information describing an entity in a digital identity system.
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  Python How-ToAn attribute is a named value or behavior associated with a Python object and accessible through attribute access.
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  Modern C, Third EditionAn attribute is supplemental implementation or semantic information attached to a C program construct.
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  Learn Rust in a Month of LunchesA struct field is a named or positional component of a Rust struct whose visibility can be declared independently of the struct type.
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  Python Workout, Second EditionAn attribute is a named value associated with a Python object and accessed through attribute lookup.
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  The Quick Python Book, Fourth EditionAn attribute is a named value or behavior associated with an object and accessed through that object.
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  Get Programming: Learn to code with Python
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  The Well-Grounded Rubyist, Fourth EditionA property is an attribute or quality associated with an entity or object.
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  The Well-Grounded Python Developer: How the pros use Python and FlaskAn attribute is a named value associated with a Python object or class and accessible through attribute lookup.
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  Data Analysis with LLMsA graph property is a named attribute associated with a graph node or relationship and holding a value.
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  Practices of the Python ProAn attribute is data associated with a Python object that represents part of its state.
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  Build a Frontend Web Framework (From Scratch)A named property of an HTML or DOM element that carries a value describing or configuring that element.
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  Go in Practice, Second EditionAn annotation is metadata associated with program declarations or data structures to provide additional information for tools or runtime processing.
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  Software Security for DevelopersAn attribute is a piece of information describing a user, resource, or environmental context that can be evaluated in an access-control rule.
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  100 Java Mistakes and How to Avoid ThemAn annotation is structured metadata attached to program elements that tools or language processors can inspect.
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  Rust in Action: Systems programming concepts and techniquesAn attribute is Rust syntax that attaches metadata to a program item and can control compiler behavior such as conditional inclusion.
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  Pro Angular 16An object property is a named value or function associated with a JavaScript object.
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  Julia as a Second LanguageA field is a named component declared within a composite type and stored in each value of that type.
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  Code Like a Pro in RustA struct field is an element of a struct value with a declared type and, in regular structs, a name.
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  Data Pipelines with Apache Airflow, Second EditionAn attribute is a named property of a directory entry that stores a value describing the entity.
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  Secrets of the JavaScript Ninja, Second EditionA named association on an object that holds a value or provides accessor behavior.

Compare how 26 books explain attribute →

Related concepts

• JSONpart of · JSON is a standardized, language-independent text format for representing structured data using objects, arrays, strings, numbers, Boolean values, and null.
• attribute-based access controlused by · Attribute-based access control is an authorization model that evaluates subject, resource, action, and contextual attributes against policies to make access decisions.
• primary keyused by · A primary key is a designated column or attribute, or combination of them, that uniquely identifies each row or item in a table or data store.
• tuplepart of · A tuple is a finite, ordered collection of elements treated as a single composite value or record.
• DynamoDB itempart of · A DynamoDB item is a record of attributes stored as a single entry in a DynamoDB table.

This explainer was generated by Manning's knowledge graph from the text of Building User-Friendly DSLs. The section links point to the parts of the book it draws on.