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use proc_macro2::TokenStream;
use quote::ToTokens;
pub(crate) struct TokensOrDefault<'a, T: 'a>(pub &'a Option<T>);
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),
}
}
}