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A.18 library(pairs): Operations on key-value lists
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Application
Manual
Name
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Availability:
:- use_module(
library(pairs)
).
(can be autoloaded)
[det]
transpose_pairs
(
+Pairs, -Transposed
)
Swap Key-Value to Value-Key. The resulting list is sorted using
keysort/2
on the new key.
