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Extensible Symbolic Programming in Julia

       Vancouver Julia Meetup

            04/20/2021
           Shashi Gowda

         PhD candidate in

Computational Science and Engineering

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// Copyright 2009 Google Inc. All Rights Reserved.

package com.google.appinventor.components.runtime;

import com.google.appinventor.components.annotations.DesignerComponent;
import com.google.appinventor.components.annotations.DesignerProperty;
import com.google.appinventor.components.annotations.PropertyCategory;
import com.google.appinventor.components.annotations.SimpleEvent;
import com.google.appinventor.components.annotations.SimpleFunction;
import com.google.appinventor.components.annotations.SimpleObject;

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using Tullio
using Dagger
using Dagger: DArray, chunks, Thunk, ArrayDomain

struct Zero end
Base.zero(::Type{Thunk}) = delayed(()->Zero())()
Base.zero(::Type{Union{Zero, ArrayDomain}}) = Zero()
Base.:(+)(z::Zero, x) = x
Base.:(+)(x, z::Zero) = x
Base.:(+)(z::Zero, x::Zero) = z

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immutable IRef{T}
    value::T
    IRef() = new()
    IRef(value) = new(value)
end

immutable Result{T,S}
    issuccess::Bool
    value::IRef{T}
    error::IRef{S}

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A = [1 3; 4 2] / 4

blue = RGB(0., 0., 9.)
red = RGB(9., 0., 0.)

place(point) = (point .+ 1) ./ 4 .+ .25

drawpoints(points, c) =
[(context(place(points[:, i])..., 0.005, 0.005), fill(c), circle())
    for i = 1:size(points, 2)]

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(function() {
  function Sneaky (node) {
    var lightNode = Polymer.dom(node)
    this.lightNode = lightNode
    this.node = lightNode.node
  }

  Sneaky.prototype = Polymer.dom()

  Object.defineProperties(Sneaky.prototype, {

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/* CSS declarations go here */
.wrapper {
    width: 960px;
    margin: 10px auto;
}

ul {
    list-style: none;
}