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feat: TA-Lib candlestick patterns — abandoned/advance/belt/break/counter (part 2 of 9) (#132)

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* feat: add Abandoned Baby candlestick pattern (CDLABANDONEDBABY)

* feat: add Advance Block candlestick pattern (CDLADVANCEBLOCK)

* feat: add Belt Hold candlestick pattern (CDLBELTHOLD)

* feat: add Breakaway and Counterattack candlestick patterns (CDLBREAKAWAY, CDLCOUNTERATTACK)

Breakaway is a 5-bar reversal: a trend gaps away on the second bar, drifts
two more bars, then the fifth bar snaps back and closes inside the bar1/bar2
body gap (bullish +1, bearish -1). Counterattack is a 2-bar reversal where an
opposite-coloured long second bar closes level with the first (the counterattack
line; bullish +1, bearish -1).

Also suppress libtest's spanless `large_stack_arrays` false positive in
wickra-core test builds: the `#[test]` harness collects every test into a
compiler-generated array of references that crosses clippy's 16 KB threshold
once the suite passes ~2048 unit tests. The allow is scoped to `cfg(test)`, so
library code is still linted for genuinely large stack arrays.

* chore: sync indicator count to 254

---------

Co-authored-by: wickra-bot <wickra-bot@users.noreply.github.com>
This commit is contained in:
kingchenc
2026-06-02 16:34:15 +02:00
committed by GitHub
co-authored by wickra-bot
parent 73415cd2dc
commit 03ceac1f3b
19 changed files with 1343 additions and 41 deletions
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crates/wickra-core/src/lib.rs
+20 -13
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@@ -35,6 +35,12 @@
//! ```
#![cfg_attr(docsrs, feature(doc_cfg))]
// The libtest harness collects every `#[test]` into a compiler-generated array
// of test references. With 2000+ unit tests that array exceeds clippy's 16 KB
// `large_stack_arrays` threshold; the diagnostic is spanless libtest scaffolding,
// not our code, so it cannot be silenced at a call site. Suppress it only in test
// builds — library code is still linted for genuinely large stack arrays.
#![cfg_attr(test, allow(clippy::large_stack_arrays))]
mod derivatives;
mod error;
@@ -47,19 +53,20 @@ pub mod indicators;
pub use derivatives::DerivativesTick;
pub use error::{Error, Result};
pub use indicators::{
AccelerationBands, AccelerationBandsOutput, AcceleratorOscillator, AdOscillator, AdaptiveCycle,
Adl, Adx, AdxOutput, Adxr, Alligator, AlligatorOutput, Alma, Alpha, AnchoredVwap, Apo, Aroon,
AroonOscillator, AroonOutput, Atr, AtrBands, AtrBandsOutput, AtrTrailingStop, Autocorrelation,
AverageDrawdown, AwesomeOscillator, AwesomeOscillatorHistogram, BalanceOfPower, Beta,
BollingerBands, BollingerBandwidth, BollingerOutput, CalendarSpread, CalmarRatio, Camarilla,
CamarillaPivotsOutput, Cci, CenterOfGravity, Cfo, ChaikinMoneyFlow, ChaikinOscillator,
ChaikinVolatility, ChandeKrollStop, ChandeKrollStopOutput, ChandelierExit,
ChandelierExitOutput, ChoppinessIndex, ClassicPivots, ClassicPivotsOutput, Cmo,
CoefficientOfVariation, Cointegration, CointegrationOutput, ConditionalValueAtRisk, ConnorsRsi,
Coppock, CumulativeVolumeDelta, CyberneticCycle, Decycler, DecyclerOscillator, Dema,
DemandIndex, DemarkPivots, DemarkPivotsOutput, DepthSlope, DetrendedStdDev, Doji, Donchian,
DonchianOutput, DonchianStop, DonchianStopOutput, DoubleBollinger, DoubleBollingerOutput, Dpo,
DrawdownDuration, EaseOfMovement, EffectiveSpread, EhlersStochastic, ElderImpulse, Ema,
AbandonedBaby, AccelerationBands, AccelerationBandsOutput, AcceleratorOscillator, AdOscillator,
AdaptiveCycle, Adl, AdvanceBlock, Adx, AdxOutput, Adxr, Alligator, AlligatorOutput, Alma,
Alpha, AnchoredVwap, Apo, Aroon, AroonOscillator, AroonOutput, Atr, AtrBands, AtrBandsOutput,
AtrTrailingStop, Autocorrelation, AverageDrawdown, AwesomeOscillator,
AwesomeOscillatorHistogram, BalanceOfPower, BeltHold, Beta, BollingerBands, BollingerBandwidth,
BollingerOutput, Breakaway, CalendarSpread, CalmarRatio, Camarilla, CamarillaPivotsOutput, Cci,
CenterOfGravity, Cfo, ChaikinMoneyFlow, ChaikinOscillator, ChaikinVolatility, ChandeKrollStop,
ChandeKrollStopOutput, ChandelierExit, ChandelierExitOutput, ChoppinessIndex, ClassicPivots,
ClassicPivotsOutput, Cmo, CoefficientOfVariation, Cointegration, CointegrationOutput,
ConditionalValueAtRisk, ConnorsRsi, Coppock, Counterattack, CumulativeVolumeDelta,
CyberneticCycle, Decycler, DecyclerOscillator, Dema, DemandIndex, DemarkPivots,
DemarkPivotsOutput, DepthSlope, DetrendedStdDev, Doji, Donchian, DonchianOutput, DonchianStop,
DonchianStopOutput, DoubleBollinger, DoubleBollingerOutput, Dpo, DrawdownDuration,
EaseOfMovement, EffectiveSpread, EhlersStochastic, ElderImpulse, Ema,
EmpiricalModeDecomposition, Engulfing, Evwma, Fama, FibonacciPivots, FibonacciPivotsOutput,
FisherTransform, Footprint, FootprintOutput, ForceIndex, FractalChaosBands,
FractalChaosBandsOutput, Frama, FundingBasis, FundingRate, FundingRateMean, FundingRateZScore,