diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 12 |
1 files changed, 5 insertions, 7 deletions
@@ -51061,13 +51061,11 @@ the weak references "lapse" in some way, which depends on what kind they are. Hash-table weak references lapse by entry removal. When an object used as a key in in one or more weak-key hash tables becomes unreachable, those hash entries disappear. This happens even if the values are themselves reachable. -That is what it means that. -Vice versa, when an object appearing as a value in -one or more hash-table entries in weak-value hash tables becomes unreachable, -those entries disappear, even if the keys are reachable. When a hash table has -both weak keys and weak values, then its entries are removed when either keys -or values become unreachable. In other words, both the key and value must be -reachable in order to retain the entry. +Vice versa, when an object appearing as a value in one or more weak-value hash +tables becomes unreachable, those entries disappear, even if the keys are +reachable. When a hash table has both weak keys and weak values, then its +entries are removed when either keys or values become unreachable. In other +words, both the key and value must be reachable in order to retain the entry. An open traversal of a hash table is performed by the .code maphash |