Boolean Traitlets

A class and a constructor function to create boolean trait(let)s.

Usage

Boolean(...)

Arguments

...

Arguments that are passed to the initialize method of 'BooleanClass'

Super class

Trait -> Boolean

Public fields

value

A logical vector, usually of length 1

optional

Logical, whether an initializing logical value must be provided

coerce

Logical, whether 'as.logical()' is implicitely used when a value is assigned to the trait

length

Integer, the length of the logical vector that poses as the value of the traitlet.

Methods

Public methods

• Boolean$validator()

• Boolean$new()

• Boolean$clone()

Inherited methods

• Trait$get()
• Trait$set()

---

Boolean$validator()

A validator method

Usage

Boolean$validator(value)

Arguments

value

A value to be checked for validity

---

Boolean$new()

The initializing method

Usage

Boolean$new(
  initial,
  coerce = TRUE,
  optional = length(initial) == 0,
  length = 1
)

Arguments

initial

A value with which the traitlet is initialized

coerce

Logical, used to initialize the 'coerce' field

optional

Logical, used to initialize the 'optional' field

length

Integer, used to initialize the 'length' field

---

Boolean$clone()

The objects of this class are cloneable with this method.

Usage

Boolean$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.