17 The STREAM package

stream-output-width

Generic Function

Summary

Used by the pretty printer to determine the output width when*print-right-margin* isnil.

Package

stream

Signature

stream-output-width stream => result

Arguments

stream: A stream.

Values

result: An integer ornil.

Description

The generic functionstream-output-width is used by the pretty printer to determine the output width when*print-right-margin* isnil. It returns result, the integer width of stream in units of ems, ornil if the width is not known. The default method provided byfundamental-stream returnsnil.

See also

fundamental-stream