enumerated types造句

Many languages allow users to define new enumerated types.
In type theory, enumerated types are often regarded as tagged unions of unit types.
Some databases support enumerated types directly.
An enumerated type can be seen as a degenerate case : a tagged union of unit types.
MySQL provides an enumerated type ENUM with allowable values specified as strings when a table is created.
It's difficult to find enumerated types in a sentence. 用enumerated types造句挺难的

Enumerated types are Comparable, using the internal integer; as a result, they can be sorted.
Enumerated types are an important feature of the language; they can have type parameters and be recursive.
Variables declared to be of enumerated type cannot be assigned to variables of a different enumerated type without casting.
Variables declared to be of enumerated type cannot be assigned to variables of a different enumerated type without casting.
Some compilers warn if an object with enumerated type is assigned a value that is not one of its constants.
:The closest thing I can think of at the moment is the idea of an enumerated type in computer programming.
Enumerated types in the C # programming language preserve most of the " small integer " semantics of C's enums.
Like Modula-3 Ada treats Boolean and Character as special pre-defined ( in package " Standard " ) enumerated types.
This includes the features of Oberon and restores some from Pascal ( enumerated types, built-in IO ) but has some syntactic differences.
Enumerated types are a special case of sum types in which the constructors take no arguments, as exactly one value is defined for each constructor.

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