Extracted from Pike v7.6 release 61 at 2005-12-30.
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lfun::

Method lfun::`-()


Method `-

mixed lfun::`-(void|zero arg)

Description

Negation and left side subtraction/set difference callback.

This is used by `- . When called without an argument the result should be a new instance that represents the negation of this object, otherwise the result should be a new instance that represents the difference between this object and arg .

Note

It's assumed that this function is side-effect free.

See also

lfun::``-() , `-()