diff options
Diffstat (limited to 'src/weak/pointer.go')
| -rw-r--r-- | src/weak/pointer.go | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/weak/pointer.go b/src/weak/pointer.go index e9d7420880..42d83afdb6 100644 --- a/src/weak/pointer.go +++ b/src/weak/pointer.go @@ -23,13 +23,15 @@ import ( // the lifetimes of separate values (for example, through a map with weak // keys). // -// Two Pointer values always compare equal if the pointers from which they were -// created compare equal. This property is retained even after the -// object referenced by the pointer used to create a weak reference is -// reclaimed. +// Two Pointer values compare equal if and only if the pointers from which they +// were created compare equal. +// This property is maintained even after the object referenced by the pointer +// used to create a weak reference is reclaimed. // If multiple weak pointers are made to different offsets within the same object // (for example, pointers to different fields of the same struct), those pointers // will not compare equal. +// In other words, weak pointers map to objects and offsets within those +// objects, not plain addresses. // If a weak pointer is created from an object that becomes unreachable, but is // then resurrected due to a finalizer, that weak pointer will not compare equal // with weak pointers created after the resurrection. |