R: Preprocess column for output

output_column {readr} | R Documentation

## Preprocess column for output

### Description

This is a generic function that applied to each column before it is saved to disk. It provides a hook for S3 classes that need special handling.

### Usage

    output_column(x)

### Arguments

`x` | A vector

### Examples

    # Most columns are left as is, but POSIXct are
    # converted to ISO8601.
    x <- parse_datetime("2016-01-01")
    str(output_column(x))

[Package readr version 1.1.0 Index]