Format Directive Interface

ToC

Allegro CL

ANSI Common Lisp

22 Printer

22.2 The Lisp Pretty Printer

22.2.1 Pretty Printer Concepts

22.2.1.2 Format Directive Interface

The primary interface to operations for dynamically determining the arrangement of output is provided through the functions and macros of the pretty printer. The next figure shows the defined names related to pretty printing.

Defined names related to pretty printing.
print-lines	pprint-dispatch	pprint-pop
print-miser-width	pprint-exit-if-list-exhausted	pprint-tab
print-pprint-dispatch	pprint-fill	pprint-tabular
print-right-margin	pprint-indent	set-pprint-dispatch
copy-pprint-dispatch	pprint-linear	write
format	pprint-logical-block
formatter	pprint-newline

The next figure identifies a set of format directives which serve as an alternate interface to the same pretty printing operations in a more textually compact form.

Format directives related to Pretty Printing
`~I`	`~W`	`~<...~:>`
`~:T`	`~/.../`	`~_`