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Initializers for GapStrings

This commit is contained in:
Neale Pickett 2008-01-18 19:16:36 -07:00
parent 9d487edfb3
commit fc00e0941b
1 changed files with 4 additions and 2 deletions
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6
gapstr.py
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@ -10,10 +10,12 @@ import __init__
import sys import sys
class GapString: class GapString:
def __init__(self, drop='?'): def __init__(self, init=None, drop='?'):
self.contents = [] self.contents = []
self.length = 0 self.length = 0
self.drop = drop self.drop = drop
if init:
self.append(init)
def __len__(self): def __len__(self):
return self.length return self.length
@ -58,7 +60,7 @@ class GapString:
end = min(self.length, end) end = min(self.length, end)
start = min(self.length, start) start = min(self.length, start)
new = self.__class__(self.drop) new = self.__class__(drop=self.drop)
new.contents = self.contents[:] new.contents = self.contents[:]
new.length = end - start new.length = end - start
if new.length == 0: if new.length == 0: