Fix gRPC ObjC void function definition

10 files changed, 11 insertions, 11 deletions

diff --git a/src/objective-c/RxLibrary/GRXConcurrentWriteable.h b/src/objective-c/RxLibrary/GRXConcurrentWriteable.h
index cec45fae71..f16a3d052a 100644
--- a/src/objective-c/RxLibrary/GRXConcurrentWriteable.h
+++ b/src/objective-c/RxLibrary/GRXConcurrentWriteable.h
@@ -46,7 +46,7 @@
  * Enqueues writeValue: to be sent to the writeable in the main thread.
  * The passed handler is invoked from the main thread after writeValue: returns.
  */
-- (void)enqueueValue:(id)value completionHandler:(void (^)())handler;
+- (void)enqueueValue:(id)value completionHandler:(void (^)(void))handler;
 
 /**
  * Enqueues writesFinishedWithError:nil to be sent to the writeable in the main thread. After that
diff --git a/src/objective-c/RxLibrary/GRXConcurrentWriteable.m b/src/objective-c/RxLibrary/GRXConcurrentWriteable.m
index bbfe491783..37bc975f87 100644
--- a/src/objective-c/RxLibrary/GRXConcurrentWriteable.m
+++ b/src/objective-c/RxLibrary/GRXConcurrentWriteable.m
@@ -50,7 +50,7 @@
                    dispatchQueue:dispatch_get_main_queue()];
 }
 
-- (void)enqueueValue:(id)value completionHandler:(void (^)())handler {
+- (void)enqueueValue:(id)value completionHandler:(void (^)(void))handler {
   dispatch_async(_writeableQueue, ^{
     // We're racing a possible cancellation performed by another thread. To turn all already-
     // enqueued messages into noops, cancellation nillifies the writeable property. If we get it
diff --git a/src/objective-c/RxLibrary/GRXImmediateWriter.h b/src/objective-c/RxLibrary/GRXImmediateWriter.h
index bdcf5d5937..f88e46b169 100644
--- a/src/objective-c/RxLibrary/GRXImmediateWriter.h
+++ b/src/objective-c/RxLibrary/GRXImmediateWriter.h
@@ -46,7 +46,7 @@
  * Returns a writer that pushes to its writeable the successive values returned by the passed
  * block. When the block first returns nil, it is released.
  */
-+ (GRXWriter *)writerWithValueSupplier:(id (^)())block;
++ (GRXWriter *)writerWithValueSupplier:(id (^)(void))block;
 
 /**
  * Returns a writer that iterates over the values of the passed container and pushes them to
diff --git a/src/objective-c/RxLibrary/GRXImmediateWriter.m b/src/objective-c/RxLibrary/GRXImmediateWriter.m
index d8c6975801..c5d6d1310a 100644
--- a/src/objective-c/RxLibrary/GRXImmediateWriter.m
+++ b/src/objective-c/RxLibrary/GRXImmediateWriter.m
@@ -52,7 +52,7 @@
   return [self writerWithEnumerator:enumerator error:nil];
 }
 
-+ (GRXWriter *)writerWithValueSupplier:(id (^)())block {
++ (GRXWriter *)writerWithValueSupplier:(id (^)(void))block {
   return [self writerWithEnumerator:[NSEnumerator grx_enumeratorWithValueSupplier:block]];
 }
 
diff --git a/src/objective-c/RxLibrary/GRXWriter+Immediate.h b/src/objective-c/RxLibrary/GRXWriter+Immediate.h
index 292a35f61f..d7935deaa2 100644
--- a/src/objective-c/RxLibrary/GRXWriter+Immediate.h
+++ b/src/objective-c/RxLibrary/GRXWriter+Immediate.h
@@ -30,7 +30,7 @@
  * Returns a writer that pushes to its writeable the successive values returned by the passed
  * block. When the block first returns nil, it is released.
  */
-+ (instancetype)writerWithValueSupplier:(id (^)())block;
++ (instancetype)writerWithValueSupplier:(id (^)(void))block;
 
 /**
  * Returns a writer that iterates over the values of the passed container and pushes them to
diff --git a/src/objective-c/RxLibrary/GRXWriter+Immediate.m b/src/objective-c/RxLibrary/GRXWriter+Immediate.m
index 43aa9c5437..a36a56764d 100644
--- a/src/objective-c/RxLibrary/GRXWriter+Immediate.m
+++ b/src/objective-c/RxLibrary/GRXWriter+Immediate.m
@@ -27,7 +27,7 @@
   return [GRXImmediateWriter writerWithEnumerator:enumerator];
 }
 
-+ (instancetype)writerWithValueSupplier:(id (^)())block {
++ (instancetype)writerWithValueSupplier:(id (^)(void))block {
   return [GRXImmediateWriter writerWithValueSupplier:block];
 }
 
diff --git a/src/objective-c/RxLibrary/NSEnumerator+GRXUtil.h b/src/objective-c/RxLibrary/NSEnumerator+GRXUtil.h
index 8c72f7858d..38dbaaf9a4 100644
--- a/src/objective-c/RxLibrary/NSEnumerator+GRXUtil.h
+++ b/src/objective-c/RxLibrary/NSEnumerator+GRXUtil.h
@@ -38,5 +38,5 @@
  * Returns a NSEnumerator instance that delegates the invocations of nextObject to the passed block.
  * When the block first returns nil, it is released.
  */
-+ (NSEnumerator *)grx_enumeratorWithValueSupplier:(id (^)())block;
++ (NSEnumerator *)grx_enumeratorWithValueSupplier:(id (^)(void))block;
 @end
diff --git a/src/objective-c/RxLibrary/NSEnumerator+GRXUtil.m b/src/objective-c/RxLibrary/NSEnumerator+GRXUtil.m
index 309e25ede5..7d8191d0f7 100644
--- a/src/objective-c/RxLibrary/NSEnumerator+GRXUtil.m
+++ b/src/objective-c/RxLibrary/NSEnumerator+GRXUtil.m
@@ -33,7 +33,7 @@
   return [[GRXNSScalarEnumerator alloc] initWithValue:value];
 }
 
-+ (NSEnumerator *)grx_enumeratorWithValueSupplier:(id (^)())block {
++ (NSEnumerator *)grx_enumeratorWithValueSupplier:(id (^)(void))block {
   return [[GRXNSBlockEnumerator alloc] initWithValueSupplier:block];
 }
 @end
diff --git a/src/objective-c/RxLibrary/private/GRXNSBlockEnumerator.h b/src/objective-c/RxLibrary/private/GRXNSBlockEnumerator.h
index c45338acdd..c3317b2d04 100644
--- a/src/objective-c/RxLibrary/private/GRXNSBlockEnumerator.h
+++ b/src/objective-c/RxLibrary/private/GRXNSBlockEnumerator.h
@@ -27,5 +27,5 @@
  * The first time the passed block returns nil, the enumeration will end and the block will be
  * released.
  */
-- (instancetype)initWithValueSupplier:(id (^)())block;
+- (instancetype)initWithValueSupplier:(id (^)(void))block;
 @end
diff --git a/src/objective-c/RxLibrary/private/GRXNSBlockEnumerator.m b/src/objective-c/RxLibrary/private/GRXNSBlockEnumerator.m
index 7e7cc572b8..eddfd26680 100644
--- a/src/objective-c/RxLibrary/private/GRXNSBlockEnumerator.m
+++ b/src/objective-c/RxLibrary/private/GRXNSBlockEnumerator.m
@@ -19,14 +19,14 @@
 #import "GRXNSBlockEnumerator.h"
 
 @implementation GRXNSBlockEnumerator {
-  id (^_block)();
+  id (^_block)(void);
 }
 
 - (instancetype)init {
   return [self initWithValueSupplier:nil];
 }
 
-- (instancetype)initWithValueSupplier:(id (^)())block {
+- (instancetype)initWithValueSupplier:(id (^)(void))block {
   if ((self = [super init])) {
     _block = block;
   }