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Auto merge of #11360 - lengyijun:any_all, r=blyxyas

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[`iter_overeager_cloned`]: detect .cloned().all() and .cloned().any()

changelog: [`iter_overeager_cloned`]

r? `@blyxyas`
This commit is contained in:
bors 2023-08-24 19:54:05 +00:00
commit d65c4595ee
5 changed files with 36 additions and 14 deletions
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2
clippy_lints/src/methods/iter_overeager_cloned.rs
View file

@ -21,7 +21,7 @@ pub(super) enum Op<'a> {
RmCloned,
// rm `.cloned()`
// e.g. `map` `for_each`
// e.g. `map` `for_each` `all` `any`
NeedlessMove(&'a str, &'a Expr<'a>),
// later `.cloned()`

22
clippy_lints/src/methods/mod.rs
View file

@ -3873,6 +3873,12 @@ impl Methods {
("add" | "offset" | "sub" | "wrapping_offset" | "wrapping_add" | "wrapping_sub", [_arg]) => {
zst_offset::check(cx, expr, recv);
},
("all", [arg]) => {
if let Some(("cloned", recv2, [], _, _)) = method_call(recv) {
iter_overeager_cloned::check(cx, expr, recv, recv2,
iter_overeager_cloned::Op::NeedlessMove(name, arg), false);
}
}
("and_then", [arg]) => {
let biom_option_linted = bind_instead_of_map::OptionAndThenSome::check(cx, expr, recv, arg);
let biom_result_linted = bind_instead_of_map::ResultAndThenOk::check(cx, expr, recv, arg);
@ -3880,12 +3886,16 @@ impl Methods {
unnecessary_lazy_eval::check(cx, expr, recv, arg, "and");
}
},
("any", [arg]) if let ExprKind::Closure(arg) = arg.kind
&& let body = cx.tcx.hir().body(arg.body)
&& let [param] = body.params
&& let Some(("chars", recv, _, _, _)) = method_call(recv) =>
{
string_lit_chars_any::check(cx, expr, recv, param, peel_blocks(body.value), &self.msrv);
("any", [arg]) => {
match method_call(recv) {
Some(("cloned", recv2, [], _, _)) => iter_overeager_cloned::check(cx, expr, recv, recv2, iter_overeager_cloned::Op::NeedlessMove(name, arg), false),
Some(("chars", recv, _, _, _)) if let ExprKind::Closure(arg) = arg.kind
&& let body = cx.tcx.hir().body(arg.body)
&& let [param] = body.params => {
string_lit_chars_any::check(cx, expr, recv, param, peel_blocks(body.value), &self.msrv);
}
_ => {}
}
}
("arg", [arg]) => {
suspicious_command_arg_space::check(cx, recv, arg, span);