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py: Fix errors are suppressed in generator comprehensions by corona10 · Pull Request #38 · go-python/gpython · GitHub

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py: Fix errors are suppressed in generator comprehensions #38

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Merged
ncw merged 1 commit into from
Nov 29, 2018
Conversation 9 Commits 1 Checks 0 Files changed
Merged

py: Fix errors are suppressed in generator comprehensions #38

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7 changes: 5 additions & 2 deletions py/sequence.go
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Original file line number Diff line number Diff line change
Expand Up @@ -93,10 +93,13 @@ func Iterate(obj Object, fn func(Object) bool) error {
return err
}
for {
item, finished := Next(iterator)
if finished != nil {
item, err := Next(iterator)
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if err == StopIteration {
break
}
if err != nil {
return err
}
if fn(item) {
break
}
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8 changes: 8 additions & 0 deletions vm/tests/generators.py
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Expand Up @@ -25,6 +25,14 @@ def g2():
yield i
assert tuple(g2()) == (0,1,2,3,4)

doc="generator 3"
ok = False
try:
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list(ax for x in range(10))
except NameError:
ok = True
assert ok, "NameError not raised"

doc="yield from"
def g3():
yield "potato"
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