[jira] [Created] (ARROW-13888) [R] Rephrase docs for schema()'s ... argument and rephrase error message

["Nic Crane (Jira)" <ji...@apache.org>]

Nic Crane created ARROW-13888:
---------------------------------

             Summary: [R] Rephrase docs for schema()'s ... argument and rephrase error message
                 Key: ARROW-13888
                 URL: https://issues.apache.org/jira/browse/ARROW-13888
             Project: Apache Arrow
          Issue Type: Improvement
            Reporter: Nic Crane


In the docs for {{schema()}}, the ellipses argument is documented as "named list of data types".

However, if I create a schema using a named list, e.g.

 
{code:java}
share_schema <- schema(
  list(
    company = utf8(),
    price = float64(),
    date = date32()
  )
)
{code}
I get the error: \{{Error: !is.null(nms <- names(.list)) is not TRUE }}

We should:
 # Rephrase the documentation of that argument so it doesn't say to use a named list
 # Update the error message shown if a named list is supplied to be a little clearer about what the user has done wrong

 



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