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• Type_conversion abstract "In computer science, type conversion, typecasting, and coercion are different ways of, implicitly or explicitly, changing an entity of one data type into another. This is done to take advantage of certain features of type hierarchies or type representations. One example would be small integers, which can be stored in a compact format and converted to a larger representation when used in arithmetic computations. In object-oriented programming, type conversion allows programs to treat objects of one type as one of their ancestor types to simplify interacting with them.Each programming language has its own rules on how types can be converted. In general, both objects and fundamental data types can be converted. In most languages, the word coercion is used to denote an implicit conversion, either during compilation or during run time. A typical example would be an expression mixing integer and floating point numbers (like 5 + 0.1), where the integers are normally converted into the latter. Explicit type conversions can either be performed via built-in routines (or a special syntax) or via separately defined conversion routines such as an overloaded object constructor.In most ALGOL-based languages with nested function definitions, such as Ada, Delphi, Modula 2 and Pascal, conversion and casting are distinctly different concepts. In these languages, conversion refers to either implicitly or explicitly changing a value from one data type to another, e.g. a 16-bit integer to a 32-bit integer. The storage requirements may change as a result of the conversion. A loss of precision or truncation may also occur. The word cast, on the other hand, refers to explicitly changing the interpretation of the bit pattern representing a value from one type to another. For example 32 contiguous bits may be treated as an array of 32 booleans, a 4-byte string, an unsigned 32-bit integer or an IEEE single precision floating point value. While the storage requirements are never changed, it still requires knowledge of low level details such as representation format, byte order, and alignment requirements in order to be meaningful.In the C family of languages and ALGOL 68, the word cast typically refers to an explicit type conversion (as opposed to an implicit conversion), regardless of whether this is a re-interpretation of a bit-pattern or a real conversion.".
• Type_conversion wikiPageExternalLink implicit_cast.
• Type_conversion wikiPageExternalLink 5.5.
• Type_conversion wikiPageExternalLink Type_Casting.
• Type_conversion wikiPageExternalLink Up-casting_and_Down-casting.
• Type_conversion wikiPageExternalLink ABENCAST_CASTING_GLOSRY.htm.
• Type_conversion wikiPageExternalLink aa691280(v=vs.71).aspx.
• Type_conversion wikiPageExternalLink index.php?Command=Class&ClassID=FAQ&CID=354.
• Type_conversion wikiPageExternalLink cast.html.
• Type_conversion wikiPageID "555390".
• Type_conversion wikiPageRevisionID "600831207".
• Type_conversion hasPhotoCollection Type_conversion.
• Type_conversion subject Category:Data_types.
• Type_conversion subject Category:Operators_(programming).
• Type_conversion subject Category:Type_theory.
• Type_conversion comment "In computer science, type conversion, typecasting, and coercion are different ways of, implicitly or explicitly, changing an entity of one data type into another. This is done to take advantage of certain features of type hierarchies or type representations. One example would be small integers, which can be stored in a compact format and converted to a larger representation when used in arithmetic computations.".
• Type_conversion label "Conversion de type".
• Type_conversion label "Conversione di tipo".
• Type_conversion label "Conversión de tipos".
• Type_conversion label "Konwersja typu".
• Type_conversion label "Type conversion".
• Type_conversion label "Typeconversie".
• Type_conversion label "Typumwandlung".
• Type_conversion label "Приведение типа".
• Type_conversion label "型変換".
• Type_conversion sameAs Přetypování.
• Type_conversion sameAs Typumwandlung.
• Type_conversion sameAs Conversión_de_tipos.
• Type_conversion sameAs Conversion_de_type.
• Type_conversion sameAs Conversione_di_tipo.
• Type_conversion sameAs 型変換.
• Type_conversion sameAs 형_변환.
• Type_conversion sameAs Typeconversie.
• Type_conversion sameAs Konwersja_typu.
• Type_conversion sameAs m.02pjbc.
• Type_conversion sameAs Q1333515.
• Type_conversion sameAs Q1333515.
• Type_conversion wasDerivedFrom Type_conversion?oldid=600831207.
• Type_conversion isPrimaryTopicOf Type_conversion.