Default implementation of protocol optional methods

Create protocol

@protocol Runnable <NSObject>

@injection

+ (Class)runClass;

- (BOOL)canRun;

@end

Realize the methods

@injectprotocol(Runnable)

+ (Class)runClass {
    return self;
}

- (BOOL)canRun {
    return YES;
}

@end

Confirm this protocol

@interface ViewController ()<Runnable>

@end

Realize injection in .m

@implementation ViewController (Injection)

injectionable

@end

Result

ProtocolInjection[10762:501490] 1   ViewController

1. Add pod 'ProtocolInjection' to your Podfile.
2. Run pod install or pod update.
3. Import <ProtocolInjection/ProtocolInjection.h>.

This library requires iOS 6.0+ and Xcode 8.0+.

ProtocolInjection is provided under the MIT license. See LICENSE file for details.