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authorPhilipp Krones <hello@philkrones.com>2022-11-21 20:34:47 +0100
committerPhilipp Krones <hello@philkrones.com>2022-11-21 20:51:52 +0100
commit46c5a5d234f13dcf4bb4cf4241b2addedbf0be14 (patch)
tree56726625e55224ecb09ed11f509a964507b9c333 /src/docs/while_immutable_condition.txt
parent3597ed5a099488aa77caf444106a0550b7e5d2e8 (diff)
downloadrust-46c5a5d234f13dcf4bb4cf4241b2addedbf0be14.tar.gz
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Merge commit 'f4850f7292efa33759b4f7f9b7621268979e9914' into clippyup
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-### What it does
-Checks whether variables used within while loop condition
-can be (and are) mutated in the body.
-
-### Why is this bad?
-If the condition is unchanged, entering the body of the loop
-will lead to an infinite loop.
-
-### Known problems
-If the `while`-loop is in a closure, the check for mutation of the
-condition variables in the body can cause false negatives. For example when only `Upvar` `a` is
-in the condition and only `Upvar` `b` gets mutated in the body, the lint will not trigger.
-
-### Example
-```
-let i = 0;
-while i > 10 {
-    println!("let me loop forever!");
-}
-```
\ No newline at end of file