Generic Function

Summary

Returns the column number where the next character will be written.

Package

stream

Signature

stream-line-column stream => column

Arguments

stream

A stream.

Values

column

An integer.

Description

The generic function stream-line-column returns the column number where the next character will be written from stream , or nil if this is not meaningful for the stream. This function is used in the implementation of print and the format ~t directive. A method for this function must be defined for every character output stream class that is defined, although at its simplest it may be defined to always return nil .

See also

fundamental-character-output-stream
stream-start-line-p