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Fixes #38239 rename parameter of stack.pick()

This commit is contained in:
Simon Forman 2020-04-23 21:39:29 -07:00
parent 868e9f9b52
commit 8d0d0de897
1 changed files with 4 additions and 4 deletions
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8
joy/utils/stack.py
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@ -175,21 +175,21 @@ def concat(quote, expression):
def pick(s, n):
def pick(stack, n):
'''
Return the nth item on the stack.
:param stack s: A stack.
:param stack stack: A stack.
:param int n: An index into the stack.
:raises ValueError: if ``n`` is less than zero.
:raises IndexError: if ``n`` is equal to or greater than the length of ``s``.
:raises IndexError: if ``n`` is equal to or greater than the length of ``stack``.
:rtype: whatever
'''
if n < 0:
raise ValueError
while True:
try:
item, s = s
item, stack = stack
except ValueError:
raise IndexError
n -= 1