diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 31 |
1 files changed, 19 insertions, 12 deletions
@@ -16376,30 +16376,37 @@ materialized lazy string. .desc The .code lazy-str-get-trailing-list -function is a sort of inverse operation to -the lazy string from its associated list. +function can be considered, in some way, an inverse operation to +the production of the lazy string from its associated list. -First, the string is forced up through the position +First, +.meta string +is forced up through the position .metn index . +That is the only extent to which +.meta string +is modified by this function. -Next, the materialized part of the string starting at position +Next, the suffix of the materialized part of the lazy string starting at +position .metn index , -through to the end, is split into pieces on occurrences of the terminator -character, which had been given as the +is split into pieces on occurrences of the +terminator character (which had been given as the .meta terminator argument in the .code lazy-str -constructor, and defaults to the newline character. +constructor, and defaults to newline). If the +.meta index +position is beyond the part of the string which can be materialized +(in adherence with the lazy string's +.meta limit-count +constructor parameter), then the list of pieces is considered +to be empty. Finally, a list is returned consisting of the pieces produced by the split, to which is appended the remaining list of the string which has not yet been forced to materialize. -If -.meta index -is a position which cannot be forced, then the lazy string's -remaining list is returned, with single null string prepended to it. - .coNP Functions @, length-str-> @, length-str->= @ length-str-< and @ length-str-<= .synb .mets (length-str-> < string << len ) |