invoke-bool

invoke-bool Function

Summary

Invokes an Objective-C method that returns a BOOL.

Package

objc

Signature

invoke-bool class-or-object-pointer method &rest args => value

Arguments

`class-or-object-pointer`⇩
	A string naming an Objective-C class, a pointer to an Objective-C foreign object or the result of calling current-super.
`method`⇩	A string naming the method to invoke or a list as specified by invoke.
`args`⇩	Arguments to the method.

Values

value

The value returned by the method.

Description

The function invoke-bool is used to call Objective-C instance and class methods that return the type BOOL. It behaves identically to invoke, except that if the return value is NO then nil is returned, otherwise t is returned. The meaning of class-or-object-pointer, method and args is identical to invoke.