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Hold reference to member in members array while acting on it. This avoids a buggy corner-case where member.update() could change the number of members in this Group, resulting in the "members[i].exists" check referencing a different member (and possibly crashing on members[i] being undefined).
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Hold reference to member in members array while acting on it. This avoids a buggy corner-case where
members[i].update()could change the number of members in this Group, resulting in themembers[i].existscheck referencing a different member (and possibly crashing onmembers[i]being undefined).