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#import "unicode.h"
static struct {
Class isa;
} placeholder;
@interface OFMutableStringPlaceholder: OFMutableString
@interface OFPlaceholderMutableString: OFMutableString
@end
@implementation OFMutableStringPlaceholder
@implementation OFPlaceholderMutableString
- (instancetype)init
{
return (id)[[OFMutableUTF8String alloc] init];
}
- (instancetype)initWithUTF8String: (const char *)UTF8String
{
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@end
@implementation OFMutableString
+ (void)initialize
{
if (self == [OFMutableString class])
object_setClass((id)&placeholder,
[OFMutableStringPlaceholder class]);
[OFPlaceholderMutableString class]);
}
+ (instancetype)alloc
{
if (self == [OFMutableString class])
return (id)&placeholder;
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