From bb3b2cfeb206f5b10b859e134651b54120e3f530 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 30 Jun 2026 18:05:56 +0100 Subject: ARM: 9480/1: entry: expand comment in __switch_to As per discussion between the developers in the mail thread linked, expand the comment in __switch_to so that readers of the code understand what is going on. Suggested-by: Mark Rutland Acked-by: Mark Rutland Signed-off-by: Linus Walleij > Signed-off-by: Russell King --- rust/syn/print.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 rust/syn/print.rs (limited to 'rust/syn/print.rs') diff --git a/rust/syn/print.rs b/rust/syn/print.rs new file mode 100644 index 000000000..d73262cda --- /dev/null +++ b/rust/syn/print.rs @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: Apache-2.0 OR MIT + +use proc_macro2::TokenStream; +use quote::ToTokens; + +pub(crate) struct TokensOrDefault<'a, T: 'a>(pub &'a Option); + +impl<'a, T> ToTokens for TokensOrDefault<'a, T> +where + T: ToTokens + Default, +{ + fn to_tokens(&self, tokens: &mut TokenStream) { + match self.0 { + Some(t) => t.to_tokens(tokens), + None => T::default().to_tokens(tokens), + } + } +} -- cgit v1.3.1