Module JavaBoolean

module JavaBoolean: sig .. end

Utility functions for boolean type and Boolean class.

type t = java'lang'Boolean java_instance

The type of wrappers for boolean values.

val false_ : t

The constant for the wrapper around the false value.

val true_ : t

The constant for the wrapper around the true value.

val make : java_boolean -> t

Returns a new java.lang.Boolean wrapper for the passed value.

val make_of_string : JavaString.t -> t

Returns a new java.lang.Boolean corresponding to the passed string; see Boolean(...).

val boolean_value : t -> java_boolean

Returns the wrapped value.

val compare : java_boolean -> java_boolean -> java_int

Compares the passed values.

val compare_to : t -> t -> java_int

Compares the passed values.

val parse_boolean : JavaString.t -> java_boolean

Converts the passed string into a boolean; see parseBoolean(...).

val to_string : java_boolean -> JavaString.t

Converts the passed boolean into a string; see toString(...).

val value_of : java_boolean -> t

Converts the passed bare boolean into a boolean wrapper; see valueOf(...).

val value_of_string : JavaString.t -> t

Converts the passed string into a boolean wrapper; see valueOf(...).

val null : t

The null value.

val is_null : t -> bool

is_null obj returns true iff obj is equal to null.

val is_not_null : t -> bool

is_not_null obj returns false iff obj is equal to null.

val wrap : t -> t option

wrap obj wraps the reference obj into an option type:

val unwrap : t option -> t

unwrap obj unwraps the option obj into a bare reference: