An Enumerated Strings Trait

An Enumerated Strings Trait

Super classes

Trait -> Unicode -> StrEnum

Public fields

enum

a character vector

optional

A logical value, whether value can be empty.

Methods

Public methods

• StrEnum$validator()

• StrEnum$new()

• StrEnum$clone()

Inherited methods

• Trait$get()
• Trait$set()

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StrEnum$validator()

Check whether the assigned vector is one of the allowed enumerated strings.

Usage

StrEnum$validator(value)

Arguments

value

A value to be assigned to the trait

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StrEnum$new()

Initialize the trait.

Usage

StrEnum$new(enum, default = character(0), optional = FALSE)

Arguments

enum

A character vector of permitted enumerated strings.

default

The default value

optional

Logical can the value be empty?

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StrEnum$clone()

The objects of this class are cloneable with this method.

Usage

StrEnum$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.