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Constructor

Constructor

A constructor is a function that initializes a newly allocated object.

Related concepts:  ClassObjectMethod

Closest Wikipedia entry:  Constructor (object-oriented programming)

Authoritative Definition

Wikipedia does not necessarily offer the best fitting definition of a concept. The exact meaning we attribute to the concept of Constructor is based on principled authoritative sources such as:

Types and Programming Languages - Sections 18, 19

Misconceptions about Constructor
18 documented Misconceptions

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Misconception
CannotChainAttributeToObjectInstantiation
Method calls, and attribute accesses in general, cannot be chained to a constructor invocation.
Misconception
InitCreates
__init__ must create a new object
Misconception
InitReturnsObject
__init__ needs to return an object
Misconception
NoEmptyInit
__init__ must do something
Misconception
ObjectsMustBeNamed
A variable is needed to instantiate an object

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