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Incorrect error message with def((x)=0) #51611

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jameslingard mannequin opened this issue Nov 19, 2009 · 2 comments
Closed

Incorrect error message with def((x)=0) #51611

jameslingard mannequin opened this issue Nov 19, 2009 · 2 comments
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interpreter-core (Objects, Python, Grammar, and Parser dirs) type-bug An unexpected behavior, bug, or error

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@jameslingard
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Mannequin

jameslingard mannequin commented Nov 19, 2009

BPO 7362
Nosy @benjaminp

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = None
closed_at = <Date 2009-11-19.22:55:17.223>
created_at = <Date 2009-11-19.20:54:21.242>
labels = ['interpreter-core', 'type-bug']
title = 'Incorrect error message with def((x)=0)'
updated_at = <Date 2009-11-19.22:55:17.178>
user = 'https://bugs.python.org/jameslingard'

bugs.python.org fields:

activity = <Date 2009-11-19.22:55:17.178>
actor = 'benjamin.peterson'
assignee = 'none'
closed = True
closed_date = <Date 2009-11-19.22:55:17.223>
closer = 'benjamin.peterson'
components = ['Interpreter Core']
creation = <Date 2009-11-19.20:54:21.242>
creator = 'james.lingard'
dependencies = []
files = []
hgrepos = []
issue_num = 7362
keywords = []
message_count = 2.0
messages = ['95514', '95515']
nosy_count = 2.0
nosy_names = ['benjamin.peterson', 'james.lingard']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue7362'
versions = ['Python 2.6']
@jameslingard
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jameslingard mannequin commented Nov 19, 2009 

def f((x)=0): pass

gives the following incorrect error message:

SyntaxError: non-default argument follows default argument

"def f((x)): pass" is treated exactly the same as "def f(x): pass", so
it would seem sensible for the same to be true if a default value is
used. But if this syntax is disallowed for some reason, the error
message should be fixed.

This appears to be related to bug bpo-1557232.

[Tested on Python 2.6 (r26:66714, Jun 8 2009, 16:07:29).]

@jameslingard jameslingard mannequin added interpreter-core (Objects, Python, Grammar, and Parser dirs) type-bug An unexpected behavior, bug, or error labels Nov 19, 2009
@benjaminp
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Fixed in r76416.

@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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