diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 43 |
1 files changed, 36 insertions, 7 deletions
@@ -10424,7 +10424,7 @@ keyword is present, it must be followed by an object; that object specifies the hash table's user data, which can be retrieved using the -.code get-hash-userdata +.code hash-userdata function. An empty list can be specified as @@ -15231,7 +15231,7 @@ if they use the same equality (both are or both are the default .codn :eql-based ), if their associated user data elements are equal (see the function -.codn get-hash-userdata ), +.codn hash-userdata ), if their sets of keys are identical, and if the data items associated with corresponding keys from each respective hash are .code equal @@ -33215,7 +33215,7 @@ If .code :userdata is present, it must be followed by an argument value; that value specifies the user data for the hash table, which can be retrieved using the -.code get-hash-userdata +.code hash-userdata function. If a hash table has weak keys, this means that from the point of view @@ -33729,16 +33729,45 @@ function returns an integer representing the number of key-value pairs stored in .metn hash . -.coNP Function @ get-hash-userdata +.coNP Accessor @ hash-userdata .synb -.mets (get-hash-userdata << hash ) +.mets (hash-userdata << hash ) +.mets (set (hash-userdata << hash ) << new-value ) .syne .desc -This function retrieves the user data object associated with +The +.code hash-userdata +function retrieves the user data object associated with .metn hash . -The user data object of a newly-created hash table is initialized to + +A hash table can be created with user data using the +.code :userdata +keyword in a hash table literal or in a call to the +.code hash +function, directly, or via other hash-constructing functions which take the +hash construction keywords, such as +.codn group-by . +If a hash table is created without user data, its user +data is initialized to .codn nil . +Because +.code hash-userdata +is an accessor, a +.code hash-userdata +form can be used as a place. Assigning a value to this place +causes the user data of +.meta hash +to be replaced with that value. + +.coNP Function @ get-hash-userdata +.synb +.mets (get-hash-userdata << hash ) +.syne +.desc +This function is a deprecated synonym for +.codn hash-userdata . + .coNP Function @ set-hash-userdata .synb .mets (set-hash-userdata < hash << object ) |