List extension packs
/data/config-enabled
/swish
/swish/config-available
/swish/lib
/swish/lib/data
/swish/lib/plugin
/swish/lib/render
/swish/pack/chat80/prolog
/swish/pack/chat80/prolog/chat80
/swish/pack/hdt/prolog
/swish/pack/profile/prolog
/swish/pack/profile/prolog/profile/backend
/swish/pack/rserve_client/prolog/r
/swish/pack/sCASP/prolog
/swish/pack/sCASP/prolog/scasp
/swish/pack/sCASP/prolog/scasp/clp
/swish/pack/sCASP/prolog/scasp/lang
/swish/pack/smtp/prolog
/swish/pack/wordnet/prolog
/usr/lib/swipl
/usr/lib/swipl/boot
/usr/lib/swipl/library
/usr/lib/swipl/library/clp
/usr/lib/swipl/library/dcg
/usr/lib/swipl/library/dialect
/usr/lib/swipl/library/dialect/swi
/usr/lib/swipl/library/ext/archive
/usr/lib/swipl/library/ext/bdb
/usr/lib/swipl/library/ext/chr
/usr/lib/swipl/library/ext/chr/chr
/usr/lib/swipl/library/ext/clib
/usr/lib/swipl/library/ext/clpqr
/usr/lib/swipl/library/ext/clpqr/clpq
/usr/lib/swipl/library/ext/clpqr/clpqr
/usr/lib/swipl/library/ext/clpqr/clpr
/usr/lib/swipl/library/ext/http/http
/usr/lib/swipl/library/ext/libedit
/usr/lib/swipl/library/ext/nlp
/usr/lib/swipl/library/ext/odbc
/usr/lib/swipl/library/ext/pcre
/usr/lib/swipl/library/ext/pengines
/usr/lib/swipl/library/ext/pldoc
/usr/lib/swipl/library/ext/pldoc/pldoc
/usr/lib/swipl/library/ext/redis
/usr/lib/swipl/library/ext/semweb/semweb
/usr/lib/swipl/library/ext/sgml
/usr/lib/swipl/library/ext/ssl
/usr/lib/swipl/library/ext/ssl/http
/usr/lib/swipl/library/ext/stomp
/usr/lib/swipl/library/ext/zlib
/usr/lib/swipl/library/http
/usr/lib/swipl/library/lynx
/usr/lib/swipl/xpce/prolog/boot
/usr/lib/swipl/xpce/prolog/lib
/usr/lib/swipl/xpce/prolog/lib/english
/usr/share/swi-prolog/pack/clpBNR/prolog
/usr/share/swi-prolog/pack/libssh/prolog
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/usr/lib/swipl/library/lists.pl
All
Application
Manual
Name
Summary
Help
swipl
library
error.pl
debug.pl -- Print debug messages and test assertions
apply.pl -- Apply predicates on a list
lists.pl -- List Manipulation
member/2
append/3
append/2
prefix/2
select/3
selectchk/3
select/4
selectchk/4
nextto/3
delete/3
nth0/3
nth1/3
nth0/4
nth1/4
last/2
proper_length/2
same_length/2
reverse/2
permutation/2
flatten/2
clumped/2
subseq/3
max_member/2
min_member/2
max_member/3
min_member/3
sum_list/2
max_list/2
min_list/2
numlist/3
is_set/1
list_to_set/2
intersection/3
union/3
subset/2
subtract/3
broadcast.pl -- Event service
predicate_options.pl -- Access and analyse predicate options
shlib.pl -- Utility library for loading foreign objects (DLLs, shared objects)
option.pl -- Option list processing
thread_pool.pl
gensym.pl -- Generate unique symbols
settings.pl -- Setting management
arithmetic.pl -- Extensible arithmetic
main.pl -- Provide entry point for scripts
readutil.pl -- Read utilities
operators.pl -- Manage operators
pairs.pl -- Operations on key-value lists
prolog_source.pl -- Examine Prolog source-files
record.pl -- Access compound arguments by name
quasi_quotations.pl -- Define Quasi Quotation syntax
pure_input.pl -- Pure Input from files and streams
solution_sequences.pl -- Modify solution sequences
ordsets.pl -- Ordered set manipulation
random.pl -- Random numbers
base64.pl -- Base64 encoding and decoding
aggregate.pl -- Aggregation operators on backtrackable predicates
yall.pl -- Lambda expressions
sandbox.pl -- Sandboxed Prolog code
apply_macros.pl -- Goal expansion rules to avoid meta-calling
assoc.pl -- Binary associations
prolog_format.pl -- Analyse format specifications
csv.pl -- Process CSV (Comma-Separated Values) data
pprint.pl -- Pretty Print Prolog terms
atom.pl -- Operations on atoms
modules.pl -- Module utility predicates
occurs.pl -- Finding and counting sub-terms
prolog_xref.pl -- Prolog cross-referencer data collection
prolog_colour.pl -- Prolog syntax colouring support.
lazy_lists.pl -- Lazy list handling
ugraphs.pl -- Graph manipulation library
iostream.pl -- Utilities to deal with streams
url.pl -- Analysing and constructing URL
www_browser.pl -- Open a URL in the users browser
prolog_pack.pl -- A package manager for Prolog
git.pl -- Run GIT commands
utf8.pl -- UTF-8 encoding/decoding on lists of character codes.
quintus.pl -- Quintus compatibility
prolog_versions.pl -- Demand specific (Prolog) versions
prolog_wrap.pl -- Wrapping predicates
dialect.pl -- Support multiple Prolog dialects
date.pl -- Process dates and times
persistency.pl -- Provide persistent dynamic predicates
prolog_code.pl -- Utilities for reasoning about code
strings.pl -- String utilities
dif.pl -- The dif/2 constraint
edinburgh.pl -- Some traditional Edinburgh predicates
terms.pl -- Term manipulation
ansi_term.pl -- Print decorated text to ANSI consoles
threadutil.pl -- Interactive thread utilities
prolog_stack.pl -- Examine the Prolog stack
prolog_clause.pl -- Get detailed source-information about a clause
prolog_breakpoints.pl -- Manage Prolog break-points
wfs.pl -- Well Founded Semantics interface
sort.pl
dicts.pl -- Dict utilities
varnumbers.pl -- Utilities for numbered terms
rbtrees.pl -- Red black trees
base32.pl -- Base32 encoding and decoding
charsio.pl -- I/O on Lists of Character Codes
codesio.pl -- I/O on Lists of Character Codes
coinduction.pl -- Co-Logic Programming
heaps.pl -- heaps/priority queues
statistics.pl -- Get information about resource usage
when.pl -- Conditional coroutining
backcomp.pl -- Backward compatibility
ctypes.pl -- Character code classification
qsave.pl -- Save current program as a state or executable
portray_text.pl -- Portray text
zip.pl -- Access resource ZIP archives
nb_set.pl -- Non-backtrackable sets
help.pl -- Text based manual
readln.pl -- Read line as list of tokens
prolog_debug.pl -- User level debugging tools
increval.pl -- Incremental dynamic predicate modification
tables.pl -- XSB interface to tables
system.pl -- System utilities
optparse.pl -- command line parsing
listing.pl -- List programs and pretty print clauses
nth0
(?Index, ?List, ?Elem)
True when
Elem
is the
Index
'th element of
List
. Counting starts at 0.
Errors
-
type_error(integer, Index)
if
Index
is not an integer or unbound.
See also
-
nth1/3
.