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Use C99-compatible __typeof__ instead of typeof #1985

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merged 2 commits into from
Oct 24, 2018
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Use C99-compatible __typeof__ instead of typeof #1985

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Use C99-compatible __typeof__ instead of typeof
wilhuff Oct 22, 2018
43f0648
style
wilhuff Oct 24, 2018
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4 changes: 2 additions & 2 deletions Firestore/Source/Core/FSTFirestoreClient.mm
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Original file line number Diff line number Diff line change
Expand Up @@ -129,10 +129,10 @@ - (instancetype)initWithDatabaseInfo:(const DatabaseInfo &)databaseInfo

auto userPromise = std::make_shared<std::promise<User>>();

__weak typeof(self) weakSelf = self;
__weak __typeof__(self) weakSelf = self;
auto credentialChangeListener = [initialized = false, userPromise, weakSelf,
workerDispatchQueue](User user) mutable {
typeof(self) strongSelf = weakSelf;
__typeof__(self) strongSelf = weakSelf;
if (!strongSelf) return;

if (!initialized) {
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4 changes: 2 additions & 2 deletions Firestore/Source/Util/FSTClasses.h
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Expand Up @@ -28,13 +28,13 @@ NS_ASSUME_NONNULL_BEGIN
userInfo:nil];

// Declare a weak pointer to the given variable
#define FSTWeakify(var) __weak typeof(var) fstWeakPointerTo##var = var;
#define FSTWeakify(var) __weak __typeof__(var) fstWeakPointerTo##var = var;

// Declare a strong pointer to a variable that's been FSTWeakified. This creates a shadow of the
// original.
#define FSTStrongify(var) \
_Pragma("clang diagnostic push") _Pragma("clang diagnostic ignored \"-Wshadow\"") \
__strong typeof(var) var = fstWeakPointerTo##var; \
__strong __typeof__(var) var = fstWeakPointerTo##var; \
_Pragma("clang diagnostic pop")

NS_ASSUME_NONNULL_END