Skip to content

Doc: Extend for tuples to be stabilized in 1.85.0 #134022

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Dec 15, 2024
Merged

Doc: Extend for tuples to be stabilized in 1.85.0 #134022

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
63 changes: 56 additions & 7 deletions library/core/src/iter/traits/collect.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -493,15 +493,64 @@ impl Extend<()> for () {
}

macro_rules! spec_tuple_impl {
( ($ty_name:ident, $var_name:ident, $extend_ty_name: ident, $trait_name:ident, $default_fn_name:ident, $cnt:tt), ) => {
spec_tuple_impl!($trait_name, $default_fn_name, #[doc(fake_variadic)] #[doc = "This trait is implemented for tuples up to twelve items long. The `impl`s for 1- and 3- through 12-ary tuples were stabilized after 2-tuples, in RUSTC_CURRENT_VERSION."] => ($ty_name, $var_name, $extend_ty_name, $cnt),);
(
(
$ty_name:ident, $var_name:ident, $extend_ty_name: ident,
$trait_name:ident, $default_fn_name:ident, $cnt:tt
),
) => {
spec_tuple_impl!(
$trait_name,
$default_fn_name,
#[doc(fake_variadic)]
#[doc = "This trait is implemented for tuples up to twelve items long. The `impl`s for \
1- and 3- through 12-ary tuples were stabilized after 2-tuples, in \
CURRENT_RUSTC_VERSION."]
=> ($ty_name, $var_name, $extend_ty_name, $cnt),
);
};
( ($ty_name:ident, $var_name:ident, $extend_ty_name: ident, $trait_name:ident, $default_fn_name:ident, $cnt:tt), $(($ty_names:ident, $var_names:ident, $extend_ty_names:ident, $trait_names:ident, $default_fn_names:ident, $cnts:tt),)*) => {

spec_tuple_impl!($(($ty_names, $var_names, $extend_ty_names, $trait_names, $default_fn_names, $cnts),)*);
spec_tuple_impl!($trait_name, $default_fn_name, #[doc(hidden)] => ($ty_name, $var_name, $extend_ty_name, $cnt), $(($ty_names, $var_names, $extend_ty_names, $cnts),)*);
(
(
$ty_name:ident, $var_name:ident, $extend_ty_name: ident,
$trait_name:ident, $default_fn_name:ident, $cnt:tt
),
$(
(
$ty_names:ident, $var_names:ident, $extend_ty_names:ident,
$trait_names:ident, $default_fn_names:ident, $cnts:tt
),
)*
) => {
spec_tuple_impl!(
$(
(
$ty_names, $var_names, $extend_ty_names,
$trait_names, $default_fn_names, $cnts
),
)*
);
spec_tuple_impl!(
$trait_name,
$default_fn_name,
#[doc(hidden)]
=> (
$ty_name, $var_name, $extend_ty_name, $cnt
),
$(
(
$ty_names, $var_names, $extend_ty_names, $cnts
),
)*
);
};
($trait_name:ident, $default_fn_name:ident, #[$meta:meta] $(#[$doctext:meta])? => $(($ty_names:ident, $var_names:ident, $extend_ty_names:ident, $cnts:tt),)*) => {
(
$trait_name:ident, $default_fn_name:ident, #[$meta:meta]
$(#[$doctext:meta])? => $(
(
$ty_names:ident, $var_names:ident, $extend_ty_names:ident, $cnts:tt
),
)*
) => {
#[$meta]
$(#[$doctext])?
#[stable(feature = "extend_for_tuple", since = "1.56.0")]
Expand Down
Loading