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Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -55848,6 +55848,38 @@ The returned hash table is and no parameters are available for customizing any of its properties, such as weakness. +.coNP Function @ hash-map +.synb +.mets (hash-map < fun < sequence << hash-arg *) +.syne +.desc +The +.code hash-map +function constructs a function out of a +.metn sequence . +The +.meta fun +argument must be a function that can be called with one argument. + +The elements of +.meta sequence +become the hash keys. The value associated with each key +is determined by passing that value to function +.meta fun +and taking the returned value. + +The remaining +.meta hash-arg +arguments determine what kind of hash table is created, +as if they were applied to the +.code hash +function. + +If the sequence contains duplicate elements (according to the +hash table equality in effect for the hash table being +constructed), duplicate elements later in the sequence +replace earlier elements. + .coNP Function @ hash-update .synb .mets (hash-update < hash << function ) |