diff options
Diffstat (limited to 'src/docs/range_plus_one.txt')
| -rw-r--r-- | src/docs/range_plus_one.txt | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/src/docs/range_plus_one.txt b/src/docs/range_plus_one.txt deleted file mode 100644 index 193c85f9cbc..00000000000 --- a/src/docs/range_plus_one.txt +++ /dev/null @@ -1,36 +0,0 @@ -### What it does -Checks for exclusive ranges where 1 is added to the -upper bound, e.g., `x..(y+1)`. - -### Why is this bad? -The code is more readable with an inclusive range -like `x..=y`. - -### Known problems -Will add unnecessary pair of parentheses when the -expression is not wrapped in a pair but starts with an opening parenthesis -and ends with a closing one. -I.e., `let _ = (f()+1)..(f()+1)` results in `let _ = ((f()+1)..=f())`. - -Also in many cases, inclusive ranges are still slower to run than -exclusive ranges, because they essentially add an extra branch that -LLVM may fail to hoist out of the loop. - -This will cause a warning that cannot be fixed if the consumer of the -range only accepts a specific range type, instead of the generic -`RangeBounds` trait -([#3307](https://github.com/rust-lang/rust-clippy/issues/3307)). - -### Example -``` -for i in x..(y+1) { - // .. -} -``` - -Use instead: -``` -for i in x..=y { - // .. -} -``` \ No newline at end of file |