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Update lint.md (#54)

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Add documentation for the upcoming DuplicateCondition lint
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Arseny Kapoulkine 2021-07-21 16:13:04 -07:00 • committed by GitHub
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@ -284,3 +284,10 @@ table.insert(t, 0, 42) -- table.insert uses index 0 but arrays are 1-based; did
table.insert(t, #t+1, 42) -- table.insert will append the value to the table; consider removing the second argument for efficiency
```
## DuplicateCondition (24)
When checking multiple conditions via `and/or` or `if/elseif`, a copy & paste error may result in checking the same condition redundantly. This almost always indicates a bug, so a warning is emitted when use of a duplicate condition is detected.
```lua
assert(self._adorns[normID1] and self._adorns[normID1]) -- Condition has already been checked on column 8
```