diff options
Diffstat (limited to 'Objective-C/libobjcl.m')
| -rw-r--r-- | Objective-C/libobjcl.m | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Objective-C/libobjcl.m b/Objective-C/libobjcl.m index d02e58b..dc44c2d 100644 --- a/Objective-C/libobjcl.m +++ b/Objective-C/libobjcl.m @@ -499,6 +499,14 @@ objcl_get_slot_value (id obj, const char *ivar_name, void *value_out) value_out is actually a (void *) rather than a (void **). Likewise, the result that is copied to value_out is the slot value itself, not a pointer to it. */ + + /* NOTE UPDATE: Actually, it's trickier than that. The docs for + NeXTstep 3.3 say: ``These functions cannot reliably be used to set + and get instance variables that are not pointers.'' This makes the + behaviour and documentation a bit less confusing, because it means + that value_out is, in fact, assigned a pointer to the value of the + slot under the assumption that the slot itself references its value + via a pointer. */ object_getInstanceVariable (obj, ivar_name, value_out); } |