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| author |  Thomas Van Lenten <thomasvl@google.com> | 2017-03-15 10:50:31 -0400 |
|---|---|---|
| committer | Thomas Van Lenten <thomasvl@google.com> | 2017-03-15 10:50:31 -0400 |
| commit | 5e4f14fae41f67cbcb2fbe2b7901914f293837cb (patch) | |
| tree | ccad44221612b83a12114ad0a56a771020263f62 | |
| parent | 43f2db776c265a9b22500e7a67af583b2b4ce85f (diff) | |
Document deep copy in the header
| -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 |