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You are working in my Rust trading bot repository.

Goal:
Create a Rust UI library prototype that supports a retained-mode GUI suitable for a trading bot, with declarative function-call component authoring, signal-based reactivity, dirty region tracking, logical layers, custom nodes/widgets, custom GPU passes, and a demo app showing the system working.

This should be a real working vertical slice, not only a design document.

Important:
Do not copy browser DOM architecture.
Do not create a CSS/HTML clone.

Swoorup

/// OPENSEARCH TUTORIAL: Comprehensive Query Examples for Bakery Management System
/// This tutorial covers: Basic CRUD, Search, Aggregations, Multi-search, and Percolator queries
/// Use Elasticsearch VSCode extension for easy execution

/// Get Elasticsearch version information
GET /


/// ===================================================
/// STEP 1: INDEX SETUP AND DATA PREPARATION

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//! # DType Macros
//!
//! This module provides a set of macros and traits for defining and working with strongly-typed
//! enums and their associated tokens. These macros are designed to:
//!
//! - **Generate Tokens**: Define unique tokens for each variant of an enum using `build_dtype_tokens`.
//! - **Define Enums**: Create enums with compile-time checks to ensure all variants are valid tokens
//!   using `build_dtype_enum`.
//! - **Dynamic Downcasting**: Enable safe downcasting of enum variants to their underlying types
//!   or containers.

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mod bit_util_u64 {

  const SIGN_BIT_FLIP: u64 = 0x8000_0000_0000_0000;

  // magic numbers for bit interleaving
  const MAGIC: [u128; 7] = [
    0x5555555555555555_5555555555555555,
    0x3333333333333333_3333333333333333,
    0x0F0F0F0F0F0F0F0F_0F0F0F0F0F0F0F0F,
    0x00FF00FF00FF00FF_00FF00FF00FF00FF,

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use std::ops::Range;

use derive_more::{Deref, DerefMut, Into};

#[derive(Debug, Deref, DerefMut, Hash, PartialEq, Eq, Clone, Into)]
pub struct DirtyIndexRange(pub(super) Range<usize>);

impl DirtyIndexRange {
  pub fn one(index: usize) -> Self {
    Self(index..index + 1)

Swoorup

open System.Threading.Tasks
open FsToolkit.ErrorHandling
open FsToolkit.ErrorHandling.Operator.Validation

type TaskValidation<'a, 'err> = Task<Validation<'a, 'err>>

[<RequireQualifiedAccess>]
module TaskValidation =
  let inline map f (tv: TaskValidation<'a, 'err>) : TaskValidation<'b, 'err> = TaskResult.map f tv
  let inline bind (f: 'a -> TaskValidation<'b, 'err>) (tv: TaskValidation<'a, 'err>) : TaskValidation<'b, 'err> = TaskResult.bind f tv

Swoorup

import { useEffect, useRef } from 'react';
import './App.css';

import { DataUpdates, HistoricalDataRequest, Price, UTCTimestamp, Viper as ViperCharts } from "@viper-charts/viper-charts";
// import "@viper-charts/viper-charts/dist/style.css";
import { ViperDatabase } from "./ViperDatabase";

const db = createDB();

function onSaveViperSettings(settings: any) {

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[config]
# skip_core_tasks = true
# skip_git_env_info = true
# skip_crate_env_info = true
# skip_rust_env_info = true

[env]
CARGO_MAKE_EXTEND_WORKSPACE_MAKEFILE = true
SHARED_LIB_DIR = "${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/shared_lib"
LIBRARY_EXTENSION = { source = "${CARGO_MAKE_RUST_TARGET_OS}", default_value = "unknown", mapping = {"linux" = "so", "macos" = "dylib" } }

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use std::task::Poll;

use futures::{Future, FutureExt, Stream};
use pin_project::pin_project;
use tracing::debug;

#[pin_project(project = StreamStateProj)]
#[derive(Debug, Clone)]
enum StreamState<F, S>
where

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package lib.cache

import cats.effect.std.{UUIDGen, Supervisor}
import cats.effect.syntax.all.*
import cats.effect.{Async, Clock, Fiber, Outcome, Ref, Resource}
import cats.syntax.all.*
import fs2.Stream
import io.chrisdavenport.mapref.MapRef
import io.chrisdavenport.rediculous.RedisCommands
import io.chrisdavenport.rediculous.RedisConnection