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impl_tuple_try_from_sexp

miniextendr_api::from_r::tuples

Macro impl_tuple_try_from_sexp 

Source 
macro_rules! impl_tuple_try_from_sexp {
    ($n:literal, $name:literal; $($T:ident $R:ident $idx:tt),+) => { ... };
}
Expand description

Implement TryFromSexp for tuples of various sizes (1-12). Reads an unnamed R list (VECSXP) positionally; mirrors impl_tuple_into_r!.