Function

objc_copyProtocolList(_:)

Returns an array of all the protocols known to the runtime.

Declaration

func objc_copyProtocolList(_ outCount: UnsafeMutablePointer<UInt32>?) -> AutoreleasingUnsafeMutablePointer<Protocol>?

Parameters

outCount

Upon return, contains the number of protocols in the returned array.

Return Value

A C array of all the protocols known to the runtime. The array contains *outCount pointers followed by a NULL terminator. You must free the list with free().

Discussion

This function acquires the runtime lock.

See Also

Working with Protocols

func objc_registerProtocol(Protocol)

Registers a newly created protocol with the Objective-C runtime.

func protocol_addProtocol(Protocol, Protocol)

Adds a registered protocol to another protocol that is under construction.

func protocol_isEqual(Protocol?, Protocol?) -> Bool

Returns a Boolean value that indicates whether two protocols are equal.

func protocol_copyMethodDescriptionList(Protocol, Bool, Bool, UnsafeMutablePointer<UInt32>?) -> UnsafeMutablePointer<objc_method_description>?

Returns an array of method descriptions of methods meeting a given specification for a given protocol.

func protocol_getMethodDescription(Protocol, Selector, Bool, Bool) -> objc_method_description

Returns a method description structure for a specified method of a given protocol.

func protocol_conformsToProtocol(Protocol?, Protocol?) -> Bool

Returns a Boolean value that indicates whether one protocol conforms to another protocol.