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240 lines
6.6 KiB
Objective-C
Executable File
240 lines
6.6 KiB
Objective-C
Executable File
//
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// ASBaseDefines.h
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// Texture
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <Foundation/NSObjCRuntime.h>
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#define AS_EXTERN FOUNDATION_EXTERN
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#define unowned __unsafe_unretained
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#if defined(__cplusplus)
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# define var auto
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# define let const auto
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#else
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# define var __auto_type
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# define let const __auto_type
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#endif
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#ifdef __GNUC__
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# define ASDISPLAYNODE_GNUC(major, minor) \
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(__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
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#else
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# define ASDISPLAYNODE_GNUC(major, minor) 0
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#endif
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#ifndef ASDISPLAYNODE_INLINE
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# if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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# define ASDISPLAYNODE_INLINE static inline
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# elif defined (__MWERKS__) || defined (__cplusplus)
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# define ASDISPLAYNODE_INLINE static inline
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# elif ASDISPLAYNODE_GNUC (3, 0)
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# define ASDISPLAYNODE_INLINE static __inline__ __attribute__ ((always_inline))
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# else
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# define ASDISPLAYNODE_INLINE static
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# endif
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#endif
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#ifndef ASDISPLAYNODE_WARN_DEPRECATED
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# define ASDISPLAYNODE_WARN_DEPRECATED 1
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#endif
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#ifndef ASDISPLAYNODE_DEPRECATED
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# if ASDISPLAYNODE_GNUC (3, 0) && ASDISPLAYNODE_WARN_DEPRECATED
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# define ASDISPLAYNODE_DEPRECATED __attribute__ ((deprecated))
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# else
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# define ASDISPLAYNODE_DEPRECATED
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# endif
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#endif
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#ifndef ASDISPLAYNODE_DEPRECATED_MSG
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# if ASDISPLAYNODE_GNUC (3, 0) && ASDISPLAYNODE_WARN_DEPRECATED
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# define ASDISPLAYNODE_DEPRECATED_MSG(msg) __deprecated_msg(msg)
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# else
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# define ASDISPLAYNODE_DEPRECATED_MSG(msg)
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# endif
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#endif
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#ifndef AS_ENABLE_TIPS
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#define AS_ENABLE_TIPS 0
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#endif
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/**
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* The event backtraces take a static 2KB of memory
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* and retain all objects present in all the registers
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* of the stack frames. The memory consumption impact
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* is too significant even to be enabled during general
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* development.
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*/
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#ifndef AS_SAVE_EVENT_BACKTRACES
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# define AS_SAVE_EVENT_BACKTRACES 0
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#endif
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#ifndef __has_feature // Optional.
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#define __has_feature(x) 0 // Compatibility with non-clang compilers.
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#endif
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#ifndef __has_attribute // Optional.
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#define __has_attribute(x) 0 // Compatibility with non-clang compilers.
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#endif
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#ifndef NS_RETURNS_RETAINED
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#if __has_feature(attribute_ns_returns_retained)
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#define NS_RETURNS_RETAINED __attribute__((ns_returns_retained))
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#else
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#define NS_RETURNS_RETAINED
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#endif
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#endif
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#ifndef CF_RETURNS_RETAINED
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#if __has_feature(attribute_cf_returns_retained)
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#define CF_RETURNS_RETAINED __attribute__((cf_returns_retained))
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#else
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#define CF_RETURNS_RETAINED
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#endif
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#endif
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#ifndef ASDISPLAYNODE_REQUIRES_SUPER
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#if __has_attribute(objc_requires_super)
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#define ASDISPLAYNODE_REQUIRES_SUPER __attribute__((objc_requires_super))
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#else
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#define ASDISPLAYNODE_REQUIRES_SUPER
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#endif
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#endif
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#ifndef AS_UNAVAILABLE
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#if __has_attribute(unavailable)
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#define AS_UNAVAILABLE(message) __attribute__((unavailable(message)))
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#else
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#define AS_UNAVAILABLE(message)
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#endif
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#endif
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#ifndef AS_WARN_UNUSED_RESULT
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#if __has_attribute(warn_unused_result)
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#define AS_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
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#else
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#define AS_WARN_UNUSED_RESULT
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#endif
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#endif
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#define ASOVERLOADABLE __attribute__((overloadable))
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#if __has_attribute(noescape)
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#define AS_NOESCAPE __attribute__((noescape))
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#else
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#define AS_NOESCAPE
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#endif
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#if __has_attribute(objc_subclassing_restricted)
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#define AS_SUBCLASSING_RESTRICTED __attribute__((objc_subclassing_restricted))
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#else
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#define AS_SUBCLASSING_RESTRICTED
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#endif
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#define ASCreateOnce(expr) ({ \
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static dispatch_once_t onceToken; \
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static __typeof__(expr) staticVar; \
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dispatch_once(&onceToken, ^{ \
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staticVar = expr; \
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}); \
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staticVar; \
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})
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/// Ensure that class is of certain kind
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#define ASDynamicCast(x, c) ({ \
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id __val = x;\
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((c *) ([__val isKindOfClass:[c class]] ? __val : nil));\
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})
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/// Ensure that class is of certain kind, assuming it is subclass restricted
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#define ASDynamicCastStrict(x, c) ({ \
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id __val = x;\
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((c *) ([__val class] == [c class] ? __val : nil));\
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})
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// Compare two primitives, assign if different. Returns whether the assignment happened.
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#define ASCompareAssign(lvalue, newValue) ({ \
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BOOL result = (lvalue != newValue); \
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if (result) { lvalue = newValue; } \
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result; \
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})
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#define ASCompareAssignObjects(lvalue, newValue) \
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ASCompareAssignCustom(lvalue, newValue, ASObjectIsEqual)
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// e.g. ASCompareAssignCustom(_myInsets, insets, UIEdgeInsetsEqualToEdgeInsets)
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#define ASCompareAssignCustom(lvalue, newValue, isequal) ({ \
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BOOL result = !(isequal(lvalue, newValue)); \
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if (result) { lvalue = newValue; } \
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result; \
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})
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#define ASCompareAssignCopy(lvalue, newValue) ({ \
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BOOL result = !ASObjectIsEqual(lvalue, newValue); \
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if (result) { lvalue = [newValue copyWithZone:NULL]; } \
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result; \
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})
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/**
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* Create a new set by mapping `collection` over `work`, ignoring nil.
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*/
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#define ASSetByFlatMapping(collection, decl, work) ({ \
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NSMutableSet *s = [[NSMutableSet alloc] init]; \
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for (decl in collection) {\
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id result = work; \
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if (result != nil) { \
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[s addObject:result]; \
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} \
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} \
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s; \
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})
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/**
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* Create a new ObjectPointerPersonality NSHashTable by mapping `collection` over `work`, ignoring nil.
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*
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* capacity: 0 is taken from +hashTableWithOptions.
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*/
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#define ASPointerTableByFlatMapping(collection, decl, work) ({ \
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NSHashTable *t = [[NSHashTable alloc] initWithOptions:NSHashTableObjectPointerPersonality capacity:0]; \
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for (decl in collection) {\
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id result = work; \
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if (result != nil) { \
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[t addObject:result]; \
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} \
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} \
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t; \
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})
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/**
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* Create a new array by mapping `collection` over `work`, ignoring nil.
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*/
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#define ASArrayByFlatMapping(collectionArg, decl, work) ({ \
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id __collection = collectionArg; \
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NSArray *__result; \
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if (__collection) { \
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id __buf[[__collection count]]; \
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NSUInteger __i = 0; \
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for (decl in __collection) {\
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if ((__buf[__i] = work)) { \
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__i++; \
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} \
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} \
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__result = [NSArray arrayByTransferring:__buf count:__i]; \
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} \
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__result; \
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})
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