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Adding missing __len__ method to dict objects by kellrott · Pull Request #171 · go-python/gpython · GitHub

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Adding missing __len__ method to dict objects #171

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Merged
sbinet merged 1 commit into from
Mar 22, 2022
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Adding missing __len__ method to dict objects #171

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4 changes: 4 additions & 0 deletions py/dict.go
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,10 @@ func (a StringDict) M__str__() (Object, error) {
return a.M__repr__()
}

func (a StringDict) M__len__() (Object, error) {
return Int(len(a)), nil
}

func (a StringDict) M__repr__() (Object, error) {
var out bytes.Buffer
out.WriteRune('{')
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5 changes: 5 additions & 0 deletions py/tests/dict.py
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Expand Up @@ -54,4 +54,9 @@
assert a.__eq__({'a': 'b'}) == True
assert a.__ne__({'a': 'b'}) == False

doc="__len__"
a = {"a": "1", "b": "2"}
assert a.__len__() == 2
assert len(a) == 2

doc="finished"
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