Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
19 lines
437 B
Rust
19 lines
437 B
Rust
// SPDX-License-Identifier: Apache-2.0 OR MIT
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use proc_macro2::TokenStream;
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use quote::ToTokens;
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pub(crate) struct TokensOrDefault<'a, T: 'a>(pub &'a Option<T>);
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impl<'a, T> ToTokens for TokensOrDefault<'a, T>
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where
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T: ToTokens + Default,
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{
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fn to_tokens(&self, tokens: &mut TokenStream) {
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match self.0 {
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Some(t) => t.to_tokens(tokens),
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None => T::default().to_tokens(tokens),
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}
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}
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}
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