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refactor(derive): Don't alias arg matches

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Right now, the aliasing is safe (the compiler says so!) but we're going
to be switching to a `&mut` and need to ensure we don't alias.
This commit is contained in:
Ed Page 2022-05-18 09:38:35 -05:00
parent 1446be8a89
commit 5806e16dd4
1 changed files with 3 additions and 3 deletions
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6
clap_derive/src/derives/subcommand.rs
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@ -604,7 +604,7 @@ fn gen_update_from_arg_matches(
quote!((ref mut __clap_arg)),
quote!(clap::FromArgMatches::update_from_arg_matches(
__clap_arg,
__clap_sub_arg_matches
__clap_arg_matches
)?),
)
} else {
@ -615,7 +615,7 @@ fn gen_update_from_arg_matches(
quote! {
#name :: #variant_name #pattern if #sub_name == __clap_name => {
let __clap_arg_matches = __clap_sub_arg_matches;
let (_, __clap_arg_matches) = __clap_arg_matches.subcommand().unwrap();
#updater
}
}
@ -647,7 +647,7 @@ fn gen_update_from_arg_matches(
&mut self,
__clap_arg_matches: &clap::ArgMatches,
) -> ::std::result::Result<(), clap::Error> {
if let Some((__clap_name, __clap_sub_arg_matches)) = __clap_arg_matches.subcommand() {
if let Some(__clap_name) = __clap_arg_matches.subcommand_name() {
match self {
#( #subcommands ),*
s => {