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RustAst/examples/pipeline_script_ticker.myc
T
Michael Schimmel fa23a4c125 Refactor UntypedKind::Parameter to Identifier
The `Parameter` kind in `UntypedKind` was only used for identifiers that
were being declared or referenced. This commit renames it to
`Identifier` and updates all the necessary code to reflect this change.
This simplifies the AST and makes it more consistent.

Additionally, a new macro `repeat` has been added to
`src/ast/system.myc`.
2026-03-09 11:08:30 +01:00

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;; Benchmark: 2.3us
;; Benchmark-Repeat: 870
;; Output: <StreamNode>
(do
;; Set the random seed to match the existing test output exactly
(def random (make-random 42))
;; Use our new generic create-ticker to pulse 3 times
(def cnt 3)
(def ticker (create-ticker (fn [] (> (assign cnt (- cnt 1)) -1))))
;; The candle generator reacting to the ticker
(def last-close 100.0)
(def src1
(pipe [ticker]
(fn [_]
(do
(def change (* (- (random) 0.5) 2.0)) ; Matches Rust: (rng.f64() - 0.5) * 2.0
(def open last-close)
(def high (+ open (abs (* (random) 2.0))))
(def low (- open (abs (* (random) 2.0))))
(assign last-close (+ open change))
{:open open :high high :low low :close last-close}
)
)
)
)
(def combined
(pipe [src1]
(fn [t1]
(.close t1)
)
)
)
(def my_indicator
(pipe [combined]
(fn [close_price]
(+ close_price 10.0)
)
)
)
my_indicator
)