This has been implemented for real now. See:
Justin Spahr-Summers jspahrsummers
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| - (NSArray *)mapWithOptions:(NSEnumerationOptions)options usingBlock:(id (^)(id obj))block { | |
| NSUInteger count = [self count]; | |
| NSArray *result = nil; | |
| if (options & NSEnumerationConcurrent) { | |
| volatile id * restrict objects = malloc(sizeof(id) * count); | |
| if (!objects) { | |
| return nil; | |
| } |
jspahrsummers
/ tuples.m
Created
July 4, 2011 03:03
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| typedef id (^Tuple)(size_t); | |
| #define tuple(...) \ | |
| tupleMake(__VA_ARGS__, nil) | |
| #define emptyTuple \ | |
| tupleMake(nil) | |
| Tuple tupleMake (id firstObject, ...) NS_REQUIRES_NIL_TERMINATION | |
| { |
jspahrsummers
/ ship.lua
Created
September 26, 2011 05:26
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| local ship = { entropy.loadtexture("data/ships/fighter/base.png") } | |
| local glow = { entropy.loadtexture("data/ships/fighter/glow.png") } | |
| local lights = { entropy.loadtexture("data/ships/fighter/lights.png") } | |
| function shutdown () | |
| entropy.deletetexture(ship[1]) | |
| entropy.deletetexture(glow[1]) | |
| entropy.deletetexture(lights[1]) | |
| end |
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| // only works with object types, but such is Cocoa | |
| typedef id (^generator)(void); | |
| - (generator)methodReturningMultipleValues { | |
| __block int value = 0; | |
| return ^{ | |
| switch (value++) { | |
| case 0: | |
| return [NSNumber numberWithInt:5]; |
jspahrsummers
/ aspects.m
Created
November 10, 2011 05:49
Sketch of aspect-oriented programming in Objective-C
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| /* Logger.m */ | |
| @aspect Logger | |
| // called for any selector | |
| - (void)before { | |
| // '_cmd' is special -- the selector for the actual method with the advice | |
| // applied to it | |
| NSLog(@"starting -[%@ %@]", self, _cmd); | |
| } | |
| // only called for 'deposit:' |
jspahrsummers
/ gist:2268658
Last active
October 2, 2015 15:28
AppKit classes not supporting weak references (on 10.7)
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| # In a class-dump of AppKit: | |
| $ ack -l '\)(retain|release);' . | awk -F '.' '{ print $1 }' | |
| __NSATSStringSegment | |
| __NSFontTypefaceInfo | |
| __NSSharedFontInstanceInfo | |
| _NSCachedAttributedString | |
| _NSStateMarker | |
| NSATSGlyphStorage | |
| NSATSTypesetter |
jspahrsummers
/ guessing-game.ll
Created
April 16, 2012 18:44
Guessing game written in LLVM assembly
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| ; run this with one of the following: | |
| ; | |
| ; lli guessing-game.ll | |
| ; llc guessing-game.ll && clang -o guessing-game guessing-game.s && ./guessing-game | |
| ; | |
| ; note: you may need to 'brew install llvm' first | |
| ; type representing a FILE handle in C (like stdin) | |
| %FILE = type opaque |
jspahrsummers
/ VELAnimatedBinding.h
Created
April 20, 2012 23:16
An example of creating animated bindings, using PROBinding and Velvet animations
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| // | |
| // VELAnimatedBinding.h | |
| // Velvet | |
| // | |
| // Created by Justin Spahr-Summers on 01.04.12. | |
| // Copyright (c) 2012 Bitswift. All rights reserved. | |
| // | |
| #import <Proton/Proton.h> |
jspahrsummers
/ block_dance.md
Created
June 18, 2012 04:40
Macros to make the weak-strong dance of ARC + blocks easier
jspahrsummers
/ EXTADTTest.m
Created
June 20, 2012 01:31
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| #1 "Tests/EXTADTTest.m" | |
| #1 "Tests/EXTADTTest.m" 1 | |
| #1 "<built-in>" 1 | |
| #1 "<built-in>" 3 | |
| #152 "<built-in>" 3 | |
| #1 "<command line>" 1 | |
| #1 "<built-in>" 2 | |
| #1 "Tests/EXTADTTest.m" 2 | |