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Support dict with combination of positional arguments, keyword arguments and **args #984

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JukkaL opened this issue Nov 22, 2015 · 5 comments
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Support dict with combination of positional arguments, keyword arguments and **args #984

JukkaL opened this issue Nov 22, 2015 · 5 comments
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JukkaL commented Nov 22, 2015

This is a follow-up to #239.
@JukkaL JukkaL added the feature label Nov 22, 2015
@gvanrossum
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Is this about the following?

    a = dict(x=1, y=2)
    b = dict(a, z=3)

The first works but the second gets:

...: error: No overload variant of "dict" matches argument types [Any, builtins.int]

I have three live occurrences of this.

@JukkaL JukkaL changed the title Support dict with keyword arguments and **args Support dict with combination of positional arguments, keyword arguments and **args Nov 23, 2015
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JukkaL commented Nov 23, 2015

Yeah, that as well. I was thinking about dict(x=1, **d).

@gvanrossum
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Oh, the latter is probably less common?

@gvanrossum gvanrossum mentioned this issue Dec 1, 2015
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Our code has a bunch of instances of the b = dict(a, z=3) kind of constructor, using it to copy dicts with some specific values changed.

@gvanrossum gvanrossum added this to the 0.3.2 milestone Apr 6, 2016
This was referenced Apr 6, 2016
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JukkaL commented Apr 14, 2016

The discussion at #1370 (comment) is relevant.

@JukkaL JukkaL self-assigned this Apr 15, 2016
JukkaL added a commit that referenced this issue Apr 16, 2016
@JukkaL
Sync typeshed (#1389)
8787567 
Work towards #984.
JukkaL added a commit that referenced this issue Apr 17, 2016
@JukkaL
Sync typeshed (#1389)
37b6181 
Work towards #984.
JukkaL added a commit that referenced this issue Apr 17, 2016
@JukkaL
Hack to type check keyword arguments to dict() better
c545cc4 
This is a stop-gap solution until we implement a general plugin
system for functions, or similar.

Fix #984. Also mostly fix #1010 (except for some special cases).
JukkaL added a commit that referenced this issue Apr 17, 2016
@JukkaL
Hack to type check keyword arguments to dict() better
f777c01 
This is a stop-gap solution until we implement a general plugin
system for functions, or similar.

Fix #984. Also mostly fix #1010 (except for some special cases).
JukkaL added a commit that referenced this issue Apr 17, 2016
@JukkaL
Sync typeshed
75d3dca 
More work towards #984 (positional and keyword arguments for dict).
@pjenvey pjenvey mentioned this issue Apr 3, 2017
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