Function interp_vectorize 

fn interp_vectorize(
    positional: &[RValue],
    named: &[(String, RValue)],
    context: &BuiltinContext<'_>,
) -> Result<RValue, RError>

Create a vectorized version of a function.

Returns a new closure that calls mapply(FUN, ...) under the hood, so scalar user-defined functions work element-wise on vector inputs.

@param FUN function to vectorize @param vectorize.args character vector of argument names to vectorize over (default: all formals) @param SIMPLIFY if TRUE (default), simplify the result @return a new function that applies FUN element-wise