Language - (Program) Entity - Construct

Card Puncher Data Processing

Language - (Program) Entity - Construct

About

A entity:

The scope and name of the entity are the identity of the entity. See Logical Data Modeling - Key

See also: Logical Data Modeling - Entity Set (Class, Table) (Merge or split?)

Example

Operations

Operations on entity:

  • being passed as an argument,
  • returned from a function,
  • modified,
  • and assigned to a variable.





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Code - Grammar / Syntax (Lexical)

This section regroups the entity of a computer language from a lexical point of view. It's the same as Parts of the speech for a natural language. Grammars are useful models when designing software...
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Anonymous means that the construct has no name.
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Language - First class-citizen

A first-class citizen is an entity which supports all the operations generally available to other entities. These operations typically include: being passed as an argument, returned from a function,...
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Language - Name (Program Entity)

Name in a language code A name is a property of a program entity. The name permits to: refer to a variable, type, statement or to call a function (ie run) Tip: This is not a one.
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Logical Data Modeling - Entity Set (Class, Table)

An entity set is a set of entity. An entity set is implemented: in a relational database by a table and an entity by a row in code by a Class and an instance by an object entity of a language...



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