Sha256: 9fed19fdb069c63b8a6b8873a88be81c22434c6016e7c2c86927386a5a1235b6
Contents?: true
Size: 414 Bytes
Versions: 9
Compression:
Stored size: 414 Bytes
Contents
Relational not matching (inverse of matching)
SYNOPSIS
#(signature)
DESCRIPTION
This operator restricts LEFT tuples to those for which there does not
exist any tuple in RIGHT that (naturally) joins. This is a shortcut
operator for the following longer expression:
(minus xxx, (matching xxx, yyy))
EXAMPLE
# Which suppliers do not supply any part?
!(alf not-matching suppliers supplies)
Version data entries
9 entries across 9 versions & 2 rubygems