Loan Pattern using BufferedWriter

loanpattern-writer.scala

/**
  * we're going to receive an injected output buffer back to our curried function so we can just write lines
  * to the output file, the resource will be flushed and closed for us at the end of the run so we don't have to
  * worry about resource management
  */
  @Test
  def workWithBufferedWriterTest() {
    val tmpDir = System.getProperty("java.io.tmpdir")
    val tmpFilename = tmpDir + "/scalatowntest.log"
    println("writing to file: " + tmpFilename)
    
    LoanPattern.withBufferedWriter(tmpFilename) {
      ob => {
        ob.write("hi temp file!!!")
        ob.newLine()
      }
    }
  }