diff options
Diffstat (limited to 'objectivec/GPBMessage.h')
| -rw-r--r-- | objectivec/GPBMessage.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/objectivec/GPBMessage.h b/objectivec/GPBMessage.h index c07ec888..2c325ba8 100644 --- a/objectivec/GPBMessage.h +++ b/objectivec/GPBMessage.h @@ -66,6 +66,11 @@ CF_EXTERN_C_END /** * Base class that each generated message subclasses from. * + * @note @c NSCopying support is a "deep copy", in that all sub objects are + * copied. Just like you wouldn't want a UIView/NSView trying to + * exist in two places, you don't want a sub message to be a property + * property of two other messages. + * * @note While the class support NSSecureCoding, if the message has any * extensions, they will end up reloaded in @c unknownFields as there is * no way for the @c NSCoding plumbing to pass through a |