Pseudo context-manager for connections

A with method for connection objects which closes the connection after evaluation. This is modelled after the common python idiom.

# S3 method for connection
with(connection, expr)

Arguments

connection	a connection, such as a file connection created with file
expr	expression to evaluate

See also

with

Examples

not_run({
  connection <- file("file.csv", "r")

  with(connection, {
    print(connection)
  })

  isOpen(connection)
})