sjoerdvisscher

protocol Expr {
  static func lit(_ x: Int) -> Self
  static func add(_ lhs: Self, _ rhs: Self) -> Self
}

extension Int : Expr {
    static func lit(_ x : Int) -> Int {
        return x;
    }
    static func add(_ lhs: Int, _ rhs: Int) -> Int {

nevyn

#import <Foundation/Foundation.h>

@interface SPInvocationGrabber : NSObject {
    id _object;
    NSInvocation *_invocation;
    int frameCount;
    char **frameStrings;
    BOOL backgroundAfterForward;
    BOOL onMainAfterForward;
    BOOL waitUntilDone;