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Rollup merge of #82163 - matthiaskrgr:slice, r=jyn514

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avoid full-slicing slices

If we already have a slice, there is no need to get another full-range slice from that, just use the original.
clippy::redundant_slicing
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Guillaume Gomez 2021-02-16 19:21:20 +01:00 • committed by GitHub
commit 46b93b2e44
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19 changed files with 33 additions and 40 deletions
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2
src/bootstrap/flags.rs
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@ -347,7 +347,7 @@ To learn more about a subcommand, run `./x.py <subcommand> -h`",
};
// Done specifying what options are possible, so do the getopts parsing
let matches = opts.parse(&args[..]).unwrap_or_else(|e| {
let matches = opts.parse(args).unwrap_or_else(|e| {
// Invalid argument/option format
println!("\n{}\n", e);
usage(1, &opts, false, &subcommand_help);

4
src/librustdoc/clean/mod.rs
View file

@ -975,7 +975,7 @@ where
{
fn clean(&self, cx: &DocContext<'_>) -> FnDecl {
FnDecl {
inputs: (&self.0.inputs[..], self.1).clean(cx),
inputs: (self.0.inputs, self.1).clean(cx),
output: self.0.output.clean(cx),
c_variadic: self.0.c_variadic,
attrs: Attributes::default(),
@ -1939,7 +1939,7 @@ impl Clean<String> for Symbol {
impl Clean<BareFunctionDecl> for hir::BareFnTy<'_> {
fn clean(&self, cx: &DocContext<'_>) -> BareFunctionDecl {
let (generic_params, decl) = enter_impl_trait(cx, || {
(self.generic_params.clean(cx), (&*self.decl, &self.param_names[..]).clean(cx))
(self.generic_params.clean(cx), (&*self.decl, self.param_names).clean(cx))
});
BareFunctionDecl { unsafety: self.unsafety, abi: self.abi, decl, generic_params }
}