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Diffstat (limited to 'doc/copy.n')
| -rw-r--r-- | doc/copy.n | 21 |
1 files changed, 17 insertions, 4 deletions
@@ -26,10 +26,23 @@ resolved relative to the current namespace if not an absolute qualified name. If \fItargetObject\fR is omitted, a new name is chosen. The copied object will be of the same class as the source object, and will have all its per-object methods copied. If it is a class, it will also have all the class methods in -the class copied, but it will not have any of its instances copied. The -contents of the source object's private namespace \fIwill not\fR be copied; it -is up to the caller to do this. The result of this command will be the -fully-qualified name of the new object or class. +the class copied, but it will not have any of its instances copied. +.PP +.VS +After the \fItargetObject\fR has been created and all definitions of its +configuration (e.g., methods, filters, mixins) copied, the \fB<cloned>\fR +method of \fItargetObject\fR will be invoked, to allow for customization of +the created object such as installing related variable traces. The only +argument given will be \fIsourceObject\fR. The default implementation of this +method (in \fBoo::object\fR) just copies the procedures and variables in the +namespace of \fIsourceObject\fR to the namespace of \fItargetObject\fR. If +this method call does not return a result that is successful (i.e., an error +or other kind of exception) then the \fItargetObject\fR will be deleted and an +error returned. +.VE +.PP +The result of the \fBoo::copy\fR command will be the fully-qualified name of +the new object or class. .SH EXAMPLES .PP This example creates an object, copies it, modifies the source object, and |