Write a tplyr_spec to JSON or YAML
tplyr_write_spec.RdSerializes a spec object to a file. The format is determined by the file
extension: .json for JSON, .yaml or .yml for YAML.
tplyr_write_spec.RdSerializes a spec object to a file. The format is determined by the file
extension: .json for JSON, .yaml or .yml for YAML.