NAME
_ - predefined global write-only variable.

SYNTAX
_

DESCRIPTION
It is a predefined write-only variable, that can be used to store scratch values. The type of this global variable is int . It is an error to use or reference its value.

EXAMPLES
To flush the contents of a channel with two message fields of arbitrary type:

do

:: q?_,_

:: empty(q) -> break

od

SEE ALSO
hidden(2).