Labels:book | bulletin board | daily | poster | reckoner | sky OCR: Chapter -Strings IIB3 start: -- Clears Pos, so that the active part now starts at the "real" start of the string begin: ( -- Clears both Pos and Lim. Useful for setting up for an iterative operation on the string end: ( -- Sets both Pos and Lim to the size (i.e the end) of the string Useful for setting up for an iterative operation which has to go backwards through the string nolim: Sets Lim to the end of the string reset: Clears Pos, and sets Lim to the end of the string The active part will now be the whole string step Steps forward in the string, setting Pos to Lim and then setting Lim to the end ofthe string <step Steps backward in the string setting Lim to Pos and then clearing Pos. manipulation new: Creates a heap block for the string's data, and sets the handle The initial size is z ...
