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In object-oriented computer programming, a null object is an object with no referenced value or with defined neutral (null) behavior.The null object design pattern, which describes the uses of such objects and their behavior (or lack thereof), was first published as "Void Value" [1] and later in the Pattern Languages of Program Design book series as "Null Object".
An argument map or argument diagram is a visual representation of the structure of an argument. An argument map typically includes all the key components of the argument, traditionally called the conclusion and the premises , also called contention and reasons . [ 1 ]
In object-oriented programming, the safe navigation operator (also known as optional chaining operator, safe call operator, null-conditional operator, null-propagation operator) is a binary operator that returns null if its first argument is null; otherwise it performs a dereferencing operation as specified by the second argument (typically an ...
The diagram will always take the form of a tree structure in Araucaria. The user has the choice of translating the argument into standard diagram, Toulmin diagram or Wigmore diagram, Araucaria 3.1 being the first software to integrate the latter ontology and to address the translation issues between the different diagrams. [2]
In computer science, a type signature or type annotation defines the inputs and outputs of a function, subroutine or method. [ citation needed ] A type signature includes the number, types , and order of the function's arguments .
In computer programming, a nullary constructor is a constructor that takes no arguments. [1] Also known as a 0-argument constructor, no-argument constructor, [2] parameterless constructor or default constructor. [3]
Goal structuring notation (GSN) is a graphical diagram notation used to show the elements of an argument and the relationships between those elements in a clearer format than plain text. [1] Often used in safety engineering , GSN was developed at the University of York during the 1990s to present safety cases . [ 2 ]
A simple flowchart representing a process for dealing with a non-functioning lamp.. A flowchart is a type of diagram that represents a workflow or process.A flowchart can also be defined as a diagrammatic representation of an algorithm, a step-by-step approach to solving a task.