How to resolve the algorithm Word wrap step by step in the Factor programming language
How to resolve the algorithm Word wrap step by step in the Factor programming language
Table of Contents
Problem Statement
Even today, with proportional fonts and complex layouts, there are still cases where you need to wrap text at a specified column.
The basic task is to wrap a paragraph of text in a simple way in your language.
If there is a way to do this that is built-in, trivial, or provided in a standard library, show that. Otherwise implement the minimum length greedy algorithm from Wikipedia.
Show your routine working on a sample of text at two different wrap columns.
Wrap text using a more sophisticated algorithm such as the Knuth and Plass TeX algorithm.
If your language provides this, you get easy extra credit,
but you must reference documentation indicating that the algorithm
is something better than a simple minimum length algorithm.
If you have both basic and extra credit solutions, show an example where
the two algorithms give different results.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Word wrap step by step in the Factor programming language
Source code in the factor programming language
USE: wrap.strings
IN: scratchpad "Most languages in widespread use today are applicative languages
: the central construct in the language is some form of function call, where a f
unction is applied to a set of parameters, where each parameter is itself the re
sult of a function call, the name of a variable, or a constant. In stack languag
es, a function call is made by simply writing the name of the function; the para
meters are implicit, and they have to already be on the stack when the call is m
ade. The result of the function call (if any) is then left on the stack after th
e function returns, for the next function to consume, and so on. Because functio
ns are invoked simply by mentioning their name without any additional syntax, Fo
rth and Factor refer to functions as words, because in the syntax they really ar
e just words." [ 60 wrap-string print nl ] [ 45 wrap-string print ] bi
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