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Handle short circuit boolean operators correctly.

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This commit is contained in:
Russ Olsen 2020-05-22 15:06:58 -04:00
parent 6c67d2350f
commit 4c03ea5388
1 changed files with 6 additions and 2 deletions
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8
sallyforth/operator_words.py
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@ -56,11 +56,15 @@ def div(forth):
@word('and')
def w_and(forth):
forth.stack.push(forth.stack.pop() and forth.stack.pop())
a = forth.stack.pop()
b = forth.stack.pop()
forth.stack.push(a and b)
@word('or')
def w_or(forth):
forth.stack.push(forth.stack.pop() or forth.stack.pop())
a = forth.stack.pop()
b = forth.stack.pop()
forth.stack.push(a or b)
@word('not')
def w_not(forth):