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-rw-r--r--stdlib/source/lux/data/coll/sequence.lux (renamed from stdlib/source/lux/data/coll/stream.lux)64
-rw-r--r--stdlib/test/test/lux/data/coll/sequence.lux (renamed from stdlib/test/test/lux/data/coll/stream.lux)24
2 files changed, 44 insertions, 44 deletions
diff --git a/stdlib/source/lux/data/coll/stream.lux b/stdlib/source/lux/data/coll/sequence.lux
index 305a5da4e..b8908403b 100644
--- a/stdlib/source/lux/data/coll/stream.lux
+++ b/stdlib/source/lux/data/coll/sequence.lux
@@ -12,29 +12,29 @@
bool)))
## [Types]
-(type: #export (Stream a)
- {#.doc "An infinite stream of values."}
- (Cont [a (Stream a)]))
+(type: #export (Sequence a)
+ {#.doc "An infinite sequence of values."}
+ (Cont [a (Sequence a)]))
## [Utils]
(def: (cycle' x xs init full)
(All [a]
- (-> a (List a) a (List a) (Stream a)))
+ (-> a (List a) a (List a) (Sequence a)))
(case xs
#.Nil (pending [x (cycle' init full init full)])
(#.Cons x' xs') (pending [x (cycle' x' xs' init full)])))
## [Functions]
(def: #export (iterate f x)
- {#.doc "Create a stream by applying a function to a value, and to its result, on and on..."}
+ {#.doc "Create a sequence by applying a function to a value, and to its result, on and on..."}
(All [a]
- (-> (-> a a) a (Stream a)))
+ (-> (-> a a) a (Sequence a)))
(pending [x (iterate f (f x))]))
(def: #export (repeat x)
{#.doc "Repeat a value forever."}
(All [a]
- (-> a (Stream a)))
+ (-> a (Sequence a)))
(pending [x (repeat x)]))
(def: #export (cycle xs)
@@ -42,22 +42,22 @@
The list should not be empty."}
(All [a]
- (-> (List a) (Maybe (Stream a))))
+ (-> (List a) (Maybe (Sequence a))))
(case xs
#.Nil #.None
(#.Cons x xs') (#.Some (cycle' x xs' x xs'))))
(do-template [<name> <return> <part>]
[(def: #export (<name> s)
- (All [a] (-> (Stream a) <return>))
+ (All [a] (-> (Sequence a) <return>))
(let [[h t] (continuation.run s)]
<part>))]
[head a h]
- [tail (Stream a) t])
+ [tail (Sequence a) t])
(def: #export (nth idx s)
- (All [a] (-> Nat (Stream a) a))
+ (All [a] (-> Nat (Sequence a) a))
(let [[h t] (continuation.run s)]
(if (n/> +0 idx)
(nth (dec idx) t)
@@ -66,7 +66,7 @@
(do-template [<taker> <dropper> <splitter> <pred-type> <pred-test> <pred-step>]
[(def: #export (<taker> pred xs)
(All [a]
- (-> <pred-type> (Stream a) (List a)))
+ (-> <pred-type> (Sequence a) (List a)))
(let [[x xs'] (continuation.run xs)]
(if <pred-test>
(list& x (<taker> <pred-step> xs'))
@@ -74,7 +74,7 @@
(def: #export (<dropper> pred xs)
(All [a]
- (-> <pred-type> (Stream a) (Stream a)))
+ (-> <pred-type> (Sequence a) (Sequence a)))
(let [[x xs'] (continuation.run xs)]
(if <pred-test>
(<dropper> <pred-step> xs')
@@ -82,7 +82,7 @@
(def: #export (<splitter> pred xs)
(All [a]
- (-> <pred-type> (Stream a) [(List a) (Stream a)]))
+ (-> <pred-type> (Sequence a) [(List a) (Sequence a)]))
(let [[x xs'] (continuation.run xs)]
(if <pred-test>
(let [[tail next] (<splitter> <pred-step> xs')]
@@ -94,53 +94,53 @@
)
(def: #export (unfold step init)
- {#.doc "A stateful way of infinitely calculating the values of a stream."}
+ {#.doc "A stateful way of infinitely calculating the values of a sequence."}
(All [a b]
- (-> (-> a [a b]) a (Stream b)))
+ (-> (-> a [a b]) a (Sequence b)))
(let [[next x] (step init)]
(pending [x (unfold step next)])))
(def: #export (filter p xs)
- (All [a] (-> (-> a Bool) (Stream a) (Stream a)))
+ (All [a] (-> (-> a Bool) (Sequence a) (Sequence a)))
(let [[x xs'] (continuation.run xs)]
(if (p x)
(pending [x (filter p xs')])
(filter p xs'))))
(def: #export (partition p xs)
- {#.doc "Split a stream in two based on a predicate.
+ {#.doc "Split a sequence in two based on a predicate.
The left side contains all entries for which the predicate is true.
The right side contains all entries for which the predicate is false."}
- (All [a] (-> (-> a Bool) (Stream a) [(Stream a) (Stream a)]))
+ (All [a] (-> (-> a Bool) (Sequence a) [(Sequence a) (Sequence a)]))
[(filter p xs) (filter (complement p) xs)])
## [Structures]
-(struct: #export _ (Functor Stream)
+(struct: #export _ (Functor Sequence)
(def: (map f fa)
(let [[h t] (continuation.run fa)]
(pending [(f h) (map f t)]))))
-(struct: #export _ (CoMonad Stream)
- (def: functor Functor<Stream>)
+(struct: #export _ (CoMonad Sequence)
+ (def: functor Functor<Sequence>)
(def: unwrap head)
(def: (split wa)
(let [[head tail] (continuation.run wa)]
(pending [wa (split tail)]))))
## [Pattern-matching]
-(syntax: #export (^stream& {patterns (s.form (p.many s.any))}
- body
- {branches (p.some s.any)})
- {#.doc (doc "Allows destructuring of streams in pattern-matching expressions."
- "Caveat emptor: Only use it for destructuring, and not for testing values within the streams."
- (let [(^stream& x y z _tail) (some-stream-func 1 2 3)]
+(syntax: #export (^sequence& {patterns (s.form (p.many s.any))}
+ body
+ {branches (p.some s.any)})
+ {#.doc (doc "Allows destructuring of sequences in pattern-matching expressions."
+ "Caveat emptor: Only use it for destructuring, and not for testing values within the sequences."
+ (let [(^sequence& x y z _tail) (some-sequence-func 1 2 3)]
(func x y z)))}
- (with-gensyms [g!stream]
+ (with-gensyms [g!sequence]
(let [body+ (` (let [(~+ (List/join (List/map (function (_ pattern)
- (list (` [(~ pattern) (~ g!stream)])
- (` ((~! continuation.run) (~ g!stream)))))
+ (list (` [(~ pattern) (~ g!sequence)])
+ (` ((~! continuation.run) (~ g!sequence)))))
patterns)))]
(~ body)))]
- (wrap (list& g!stream body+ branches)))))
+ (wrap (list& g!sequence body+ branches)))))
diff --git a/stdlib/test/test/lux/data/coll/stream.lux b/stdlib/test/test/lux/data/coll/sequence.lux
index 9431e2a46..44eea350b 100644
--- a/stdlib/test/test/lux/data/coll/stream.lux
+++ b/stdlib/test/test/lux/data/coll/sequence.lux
@@ -7,12 +7,12 @@
[text "Text/" Monoid<Text>]
text/format
(coll [list]
- ["&" stream])
+ ["&" sequence])
[number "Nat/" Codec<Text,Nat>])
["r" math/random])
lux/test)
-(context: "Streams"
+(context: "Sequences"
(<| (times +100)
(do @
[size (|> r.nat (:: @ map (|>> (n/% +100) (n/max +2))))
@@ -25,7 +25,7 @@
sample0 (&.iterate inc +0)
sample1 (&.iterate inc offset)]]
($_ seq
- (test "Can move along a stream and take slices off it."
+ (test "Can move along a sequence and take slices off it."
(and (and (List/= (list.n/range +0 (dec size))
(&.take size sample0))
(List/= (list.n/range offset (dec (n/+ offset size)))
@@ -50,12 +50,12 @@
(test "Can repeat any element and infinite number of times."
(n/= elem (&.nth offset (&.repeat elem))))
- (test "Can obtain the head & tail of a stream."
+ (test "Can obtain the head & tail of a sequence."
(and (n/= offset (&.head sample1))
(List/= (list.n/range (inc offset) (n/+ offset size))
(&.take size (&.tail sample1)))))
- (test "Can filter streams."
+ (test "Can filter sequences."
(and (n/= (n/* +2 offset)
(&.nth offset
(&.filter n/even? sample0)))
@@ -65,8 +65,8 @@
(n/= (inc (n/* +2 offset))
(&.nth offset odds))))))
- (test "Functor goes over 'all' elements in a stream."
- (let [(^open "&/") &.Functor<Stream>
+ (test "Functor goes over 'all' elements in a sequence."
+ (let [(^open "&/") &.Functor<Sequence>
there (&/map (n/* factor) sample0)
back-again (&/map (n// factor) there)]
(and (not (List/= (&.take size sample0)
@@ -74,16 +74,16 @@
(List/= (&.take size sample0)
(&.take size back-again)))))
- (test "CoMonad produces a value for every element in a stream."
- (let [(^open "&/") &.Functor<Stream>]
+ (test "CoMonad produces a value for every element in a sequence."
+ (let [(^open "&/") &.Functor<Sequence>]
(List/= (&.take size (&/map (n/* factor) sample1))
(&.take size
- (be &.CoMonad<Stream>
+ (be &.CoMonad<Sequence>
[inputs sample1]
(n/* factor (&.head inputs)))))))
(test "'unfold' generalizes 'iterate'."
- (let [(^open "&/") &.Functor<Stream>
+ (let [(^open "&/") &.Functor<Sequence>
(^open "List/") (list.Eq<List> text.Eq<Text>)]
(List/= (&.take size
(&/map Nat/encode (&.iterate inc offset)))
@@ -91,7 +91,7 @@
(&.unfold (function (_ n) [(inc n) (Nat/encode n)])
offset)))))
- (test "Can cycle over the same elements as an infinite stream."
+ (test "Can cycle over the same elements as an infinite sequence."
(|> (&.cycle cycle-seed)
maybe.assume
(&.nth cycle-sample-idx)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 22:14:29 +0000