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Diffstat (limited to 'arraymap.txi')
| -rw-r--r-- | arraymap.txi | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arraymap.txi b/arraymap.txi index 2547eaf..ce082a6 100644 --- a/arraymap.txi +++ b/arraymap.txi @@ -41,6 +41,22 @@ Returns an array of lists of indexes for @var{array} such that, if @end defun +@defun array-index-for-each array proc + +applies @var{proc} to the indices of each element of @var{array} in +turn. The value returned and the order of application are +unspecified. + +One can implement @var{array-index-map!} as +@example +(define (array-index-map! ra fun) + (array-index-for-each + ra + (lambda is (apply array-set! ra (apply fun is) is)))) +@end example +@end defun + + @deffn {Procedure} array-index-map! array proc applies @var{proc} to the indices of each element of @var{array} in |