spec_write.md
In artoo: Lossless CDISC-Native Input and Output for Clinical Datasets

write_spec() rejects a non-spec input

Code
  write_spec(mtcars, p)
Condition
  Error:
  ! `spec` must be a <artoo_spec>.
  x You supplied a data frame.
  i Build one with `artoo_spec()`.

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artoo documentation built on July 23, 2026, 1:08 a.m.

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