SequencesCowan.md

(based loosely on SRFI 1)

Numbers are arbitrary. P = primitive.
sto = sequence type object
43 generic procedures, 8 primitives

Predicates

1P: sequence? sto obj -> boolean
2: seq-empty? sto seq -> boolean
3: seq=? stp elt= seq1 ... -> boolean

Selectors

5P: seq-ref sto seq i -> value
16: seq-take sto x i -> seq
18: seq-drop sto x i -> object
20: seq-take-right sto fseq i -> object
22: seq-drop-right sto fseq i -> seq
24: seq-split-at sto seq i -> [seq object]
26: seq-last sto seq -> object

Miscellaneous: length, append, concatenate, reverse, zip & count

29P: seq-length sto seq -> integer
30P: seq-append sto seq1 ... -> seq
34: seq-reverse sto seq -> seq
36: seq-append-reverse sto rev-head tail -> seq
38: seq-zip sto cseq1 cseq2 ... -> seq
44: seq-count sto pred cseq1 cseq2 -> integer

Fold, unfold & map

46: seq-fold sto kons knil cseq1 cseq2 ... -> value
47: seq-fold-right sto kons knil cseq1 cseq2 ... -> value
27: seq-foldl sto kons knil cseq1 cseq2 ... -> value
28: seq-foldr sto kons knil cseq1 cseq2 ... -> value
48: seq-reduce sto proc ridentity seq -> value
52P: seq-map sto proc cseq1 cseq2 ... -> seq
54P: seq-for-each sto proc cseq1 cseq2 ... -> unspecified
55: seq-append-map sto proc cseq1 cseq2 ... -> value
57: seq-filter-map sto proc cseq1 cseq2 ... -> seq

Filtering & partitioning

59P: seq-filter sto pred seq -> seq
61: seq-partition sto pred seq -> [seq seq]
63: seq-remove sto pred seq -> seq

Searching

66: seq-find sto pred cseq -> value
67: seq-take-while sto pred cseq -> seq
69: seq-drop-while sto pred cseq -> seq
71: seq-span sto pred cseq -> [seq cseq]
73: seq-break sto pred cseq -> [seq cseq]
75: seq-any sto pred cseq1 cseq2 ... -> value
76: seq-every sto pred cseq1 cseq2 ... -> value
77: seq-index sto pred cseq1 cseq2 ... -> integer or false

Deletion

79: seq-delete sto comparator obj seq -> seq
82: seq-delete-neighbor-dupes sto comparator seq -> seq
81: seq-delete-duplicates sto comparator seq -> seq

Elementwise mutators

97P: seq-set! sto seq i value -> unspecified
98: seq-fill! sto seq fill [start [end]] -> unspecified
53: seq-map! f sto seq1 seq2 ... -> unspecified

Sequence type objects

100: sto? obj
101: make-sto arg ...
102: sto-ref

Exceptions

103: sequence-error msg irritant ...
104: sequence-error? obj
105: sequence-message sequence-error
106: sequence-irritants sequence-error

Instances

Dictionary keys
Dictionary values
Dictionary associations (as pairs)
Lists
Vectors
Strings
Bytevectors and other homogeneous vectors
Ranges
Texts
Flexvectors
Bitvectors
Random-access lists
Lazy sequences
Streams
Compound objects
Doubly linked lists
Bitwise integers?
Arrays (with 1 dimension)