How deeply does Object-Oriented Software Design in C++ cover Map?

Defines key–value mapping and demonstrates typed implementation with map and variant, without detailing map internals.

Map

As explained in Object-Oriented Software Design in C++

A map is an associative data structure that stores key-value pairs and supports retrieving values by key.

A dictionary stores key–value pairs: each key identifies a value for retrieval. In C++, the STL map requires one key type and one value type, with keys sorted internally. section 2.3.4 section 11.1.2

A dictionary design can provide:

One reusable collection for book attributes instead of separate subclasses. section 2.3.4

Book attributes

An attribute dictionary can represent {KIND: fiction, TITLE: 'Carrie', LAST: 'King', FIRST: 'Stephen', YEAR: 1974, GENRE: horror}. Searching for KIND = fiction, LAST = KING, and GENRE = horror finds matching books.

How Object-Oriented Software Design in C++ covers it

Cover of Object-Oriented Software Design in C++

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Related concepts

data structurekind of · A data structure is an organized representation of data and its relationships that supports defined operations for storing, accessing, or modifying it.
name-value pairhas part · A name-value pair is a data association in which an identifying name or key corresponds to a value.
OrderedDictincludes · OrderedDict is a Python dictionary subclass that preserves insertion order and provides operations for explicitly rearranging entries.
arrayuses · An array is an indexed, ordered collection of elements arranged in one or more dimensions, with elements accessed by position.
dict.getused by · dict.get is a Python dictionary method that returns the value for a key or a specified default when the key is absent.
membership operatorused by · A membership operator is a language construct that tests whether a specified value or property is present in a supported collection, range, or object.

This explainer was generated by Manning's knowledge graph from the text of Object-Oriented Software Design in C++. The section links point to the parts of the book it draws on.