stream-unread-char Generic Function

Summary

Undoes the last call to stream-read-char.

Package

stream

Signature

stream-unread-char stream character => nil

Arguments

stream⇩	A stream.
character⇩	A character.

Description

The generic function stream-unread-char undoes the last call to stream-read-char for stream, assuming it returned character as in unread-char. Every subclass of fundamental-character-input-stream must define a method for this function.

See also

fundamental-character-input-stream