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From: cargo@CHERRY.CRAY.COM (David S. Cargo)
Newsgroups: comp.lang.icon
Subject: input pushbacks
Message-ID: <9105161534.AA23758@cherry04.cray.com>
Date: 16 May 91 15:34:04 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: inet
Organization: The Internet
Lines: 16

I'm writing a program that is simplified by having a mechanism for
"unreading" a line (or group of lines).  I'm looking a various
implementations for doing that.  Some use an input list that checked
for size before reading from a file.  Others use more elaborate
structures.

I'm curious about possible solutions the problem and whether other
people have found a need for such mechanisms themselves.
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