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17 changes: 16 additions & 1 deletion records.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
from collections import deque
from utils import show,ttracing,substitute
from utils import show,to_latex,ttracing,substitute

class Rec(object):
def __init__(self,d={}):
Expand All @@ -23,6 +23,21 @@ def show(self):
s = s + show(kvp[1])
return "{"+s+"}"

def to_latex(self):
s = ""
for kvp in self.__dict__.items():
if s == "":
s = s + kvp[0] + " &=& "
else:
s = s + "\\\\\n"+kvp[0] + " &=& "

if(isinstance(kvp[1], Rec)):
s = s + kvp[1].to_latex()
else:
s = s + to_latex(kvp[1])

return "\\left\\{\\begin{array}{rcl}\n"+s+"\n\\end{array}\\right\\}"

def addfield(self, label, value):
if label in self.__dict__.keys():
print("\"" +label + "\"" + " is already a label in " +show(self))
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