@@ -84,10 +84,15 @@
 @implementation OFMutableArray_placeholder
 - init
 {
 	return (id)[[OFMutableArray_adjacent alloc] init];
 }
+
+- initWithCapacity: (size_t)capacity
+{
+	return (id)[[OFMutableArray_adjacent alloc] initWithCapacity: capacity];
+}
 
 - initWithObject: (id)object
 {
 	return (id)[[OFMutableArray_adjacent alloc] initWithObject: object];
 }
@@ -166,10 +171,15 @@
 	if (self == [OFMutableArray class])
 		return (id)&placeholder;
 
 	return [super alloc];
 }
+
++ (instancetype)arrayWithCapacity: (size_t)capacity
+{
+	return [[[self alloc] initWithCapacity: capacity] autorelease];
+}
 
 - init
 {
 	if (object_getClass(self) == [OFMutableArray class]) {
 		@try {
@@ -181,10 +191,22 @@
 		}
 	}
 
 	return [super init];
 }
+
+- initWithCapacity: (size_t)capacity
+{
+	@try {
+		[self doesNotRecognizeSelector: _cmd];
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
+
+	abort();
+}
 
 - copy
 {
 	return [[OFArray alloc] initWithArray: self];
 }