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Add typed/racket/stream #1300

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Add typed/racket/stream #1300

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e32cf1d
Start basic work
Lazerbeak12345 Jan 28, 2023
e2b1434
Add the rest-star types
Lazerbeak12345 Jan 30, 2023
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40 changes: 40 additions & 0 deletions typed-racket-more/typed/racket/stream.rkt
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Original file line number Diff line number Diff line change
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#lang typed/racket/base

;; Provides type bindings for racket/stream.

(require/typed/provide
racket/stream
[#:opaque StreamOf stream/c] ; TODO is this how this works?
[#:opaque Stream stream?]
[#:opaque StreamEmpty stream-empty?]
[stream-first ((∩ Stream StreamEmpty) -> Any)]
[stream-rest ((∩ Stream StreamEmpty) -> Stream)]
; TODO macros
;[stream-cons ...]
;[stream-lazy ...]
[stream-force (Stream -> Stream)]
; TODO macros
;[stream ...]
;[stream* ...]
[in-stream (Stream -> Stream)]
; TODO causes a contract violation
;[empty-stream Stream]
[stream->list (Stream -> (Listof Any))]
[stream-length (Stream -> Exact-Nonnegative-Integer)]
[stream-ref (Stream Exact-Nonnegative-Integer -> Any)]
[stream-tail (Stream Exact-Nonnegative-Integer -> Any)]
[stream-take (Stream Exact-Nonnegative-Integer -> Any)]
[stream-append (->* () #:rest-star (Stream) Any)]
[stream-map ((Any -> Any) Stream -> Stream)]
[stream-andmap ((->* () #:rest-star (Any) Boolean) Stream -> Stream)]
[stream-ormap ((->* () #:rest-star (Any) Boolean) Stream -> Stream)]
[stream-for-each ((->* () #:rest-star (Any) Any) Stream -> Void)]
[stream-fold ((->* (Any) #:rest-star (Any) Any) Any Stream -> Any)]
[stream-count ((Any -> Any) Stream -> Exact-Nonnegative-Integer)]
[stream-filter ((->* () #:rest-star (Any) Boolean) Stream -> Stream)]
[stream-add-between (Stream Any -> Stream)]
; TODO for/stream is a a macro
; TODO
; - gen:stream
; - prop:stream
)