17.4 Special output functions

Constant: check-quiet-tests?

Set to a boolean value. It is initialised from the system environment variable VICARE_CHECK_QUIET: when the variable is set to ‘yes’ or a non–zero fixnum, the boolean is #t; otherwise it is #f.

Function: check-display obj

Display obj to the current error port if check-quiet-tests? is set to #t.

Function: check-write obj

Write obj to the current error port if check-quiet-tests? is set to #t.

Function: check-newline

Display a newline character to the current error port if check-quiet-tests? is set to #t.

Function: check-pretty-print obj

Pretty prints obj to the current error port if check-quiet-tests? is set to #t.