6 lines
255 B
Text
6 lines
255 B
Text
fcn pp(u){ // pretty print a list of lists
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var letters=["A".."Z"].pump(String);
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u.pump(String,
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fcn(n){ if(List.isType(n)) String("(",pp(n),")") else letters[n] })
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}
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fcn prnt(s,u){ "%-9,d %s\n\t-->%s\n".fmt(s,u.toString(*,*),pp(u)).println() }
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