Roberto Ierusalimschy 7f6f70853c To-be-closed variable in 'for' loop separated from the state ...

The variable to be closed in a generic 'for' loop now is the
4th value produced in the loop initialization, instead of being
the loop state (the 2nd value produced). That allows a loop to
use a state with a '__toclose' metamethod but do not close it.
(As an example, 'f:lines()' might use the file 'f' as a state
for the loop, but it should not close the file when the loop ends.)

2018-11-07 14:42:05 -02:00

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