coder.descriptor.types.Union Class

Namespace: coder.descriptor.types
Superclasses: coder.descriptor.types.Aggregate

Return information about variable of union type

Since R2024a

Description

An object of the coder.descriptor.types.Union class describes a variable in the generated code that is of a union type.

Properties

Identifier — Identifier used in generated code

character vector

Identifier of the data type used in generated code for the corresponding modeling element, specified as a character vector.

Data Types: char

Name — Name of data type represented in Simulink^®

character vector

Name of the data type that is represented in Simulink for the corresponding modeling element, specified as a character vector.

Data Types: char

ReadOnly — Indication that type qualifier contains const

true or 1 | false or 0

Indication that the type qualifier contains const, specified as a numeric or logical 1 (true) or 0 (false). If you cannot change the value of the variable during execution, the variable is preceded by the const keyword as the type qualifier in the generated code.

• 1 — The type qualifier contains const.

• 0 — The type qualifier does not contain const.

Data Types: logical

Volatile — Indication that type qualifier contains volatile

true or 1 | false or 0

Indication that the type qualifier contains volatile, specified as a numeric or logical 1 (true) or 0 (false). If the compiler cannot apply optimizations to the variable because its value can change due to external sources, the variable is preceded by the volatile keyword as the type qualifier in the generated code.

• 1 — The type qualifier contains volatile.

• 0 — The type qualifier does not contain volatile.

Data Types: logical

Elements — List of union members

vector of coder.descriptor.types.AggregateElement

List of union members, specified as a vector of coder.descriptor.types.AggregateElement objects.

Version History

Introduced in R2024a