less than sign for inheritance in classes
in [Ruby]
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From: Smart RoR on 23 Mar 2010 07:46 Gary Wright wrote: > On Mar 23, 2010, at 12:05 AM, Smart RoR wrote: >> Every operator is a method in ruby.... >> >> like 1 - 1 = 0 here - is a method. >> >> That is my understanding.... > > Let me try again. The '<' in a class definition > is not an operator and so doesn't have an > associated method. It looks like an operator > but is not parsed or interpreted as an operator > when used in a class definition. > > Gary Wright Thanks. But in that case where is the < handled to identify inheritance.... That is the core handling as to where is this implemented in ruby core. -- Posted via http://www.ruby-forum.com/.
From: Rob Biedenharn on 23 Mar 2010 08:44 On Mar 23, 2010, at 7:46 AM, Smart RoR wrote: > Gary Wright wrote: >> On Mar 23, 2010, at 12:05 AM, Smart RoR wrote: >>> Every operator is a method in ruby.... >>> >>> like 1 - 1 = 0 here - is a method. >>> >>> That is my understanding.... >> >> Let me try again. The '<' in a class definition >> is not an operator and so doesn't have an >> associated method. It looks like an operator >> but is not parsed or interpreted as an operator >> when used in a class definition. >> >> Gary Wright > > > Thanks. But in that case where is the < handled to identify > inheritance.... > That is the core handling as to where is this implemented in ruby > core. > > -- > Posted via http://www.ruby-forum.com/. > That would be deep inside parse.y -- the grammar file for the parser. Look for the superclass non-terminal (about 4100 lines or so into the file). -Rob Rob Biedenharn http://agileconsultingllc.com Rob(a)AgileConsultingLLC.com
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