6cfbe57075
suggest alternatives to iterate an array of ranges works towards #7125 changelog: [`single_element_loop`]: suggest better syntax when iterating over an array of a single range `@thinkerdreamer` and myself worked on this issue during a workshop by `@llogiq` at the RustLab 2023 conference. It is our first contribution to clippy. When iterating over an array of only one element, _which is a range_, our change suggests to replace the array with the contained range itself. Additionally, a hint is printed stating that the user probably intended to iterate over the range and not the array. If the single element in the array is not a range, the previous suggestion in the form of `let {pat_snip} = {prefix}{arg_snip};{block_str}`is used. This change lints the array with the single range directly, so any prefixes or suffixes are covered as well. |
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