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notebooks/nb-types.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "46e9fc16",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "629"
+      ]
+     },
+     "execution_count": 1,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "#| label: nb4\n",
+    "#| echo: true\n",
+    "length(subtypes(Any))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "9feb9e06",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Number\n",
+      "       Complex\n",
+      "       Real\n",
+      "              AbstractFloat\n",
+      "                     BigFloat\n",
+      "                     Float16\n",
+      "                     Float32\n",
+      "                     Float64\n",
+      "              AbstractIrrational\n",
+      "                     Irrational\n",
+      "              Integer\n",
+      "                     Bool\n",
+      "                     Signed\n",
+      "                            BigInt\n",
+      "                            Int128\n",
+      "                            Int16\n",
+      "                            Int32\n",
+      "                            Int64\n",
+      "                            Int8\n",
+      "                     Unsigned\n",
+      "                            UInt128\n",
+      "                            UInt16\n",
+      "                            UInt32\n",
+      "                            UInt64\n",
+      "                            UInt8\n",
+      "              Rational\n"
+     ]
+    }
+   ],
+   "source": [
+    "#| label: nb1\n",
+    "#| echo: true\n",
+    "\n",
+    "function show_subtype_tree(T, i=0)\n",
+    "    println(\"       \"^i, T)\n",
+    "    for Ts ∈ subtypes(T)\n",
+    "        show_subtype_tree(Ts, i+1)\n",
+    "    end\n",
+    "end\n",
+    "\n",
+    "show_subtype_tree(Number)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "fe5594b9",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Number\n",
+      "├─ Complex\n",
+      "└─ Real\n",
+      "   ├─ AbstractFloat\n",
+      "   │  ├─ BigFloat\n",
+      "   │  ├─ Float16\n",
+      "   │  ├─ Float32\n",
+      "   │  └─ Float64\n",
+      "   ├─ AbstractIrrational\n",
+      "   │  └─ Irrational\n",
+      "   ├─ Integer\n",
+      "   │  ├─ Bool\n",
+      "   │  ├─ Signed\n",
+      "   │  │  ├─ BigInt\n",
+      "   │  │  ├─ Int128\n",
+      "   │  │  ├─ Int16\n",
+      "   │  │  ├─ Int32\n",
+      "   │  │  ├─ Int64\n",
+      "   │  │  └─ Int8\n",
+      "   │  └─ Unsigned\n",
+      "   │     ├─ UInt128\n",
+      "   │     ├─ UInt16\n",
+      "   │     ├─ UInt32\n",
+      "   │     ├─ UInt64\n",
+      "   │     └─ UInt8\n",
+      "   └─ Rational\n"
+     ]
+    }
+   ],
+   "source": [
+    "#| label: nb2\n",
+    "#| echo: true\n",
+    "using AbstractTrees\n",
+    "\n",
+    "AbstractTrees.children(x::Type) = subtypes(x)\n",
+    "print_tree(Number)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "0dcccd86",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "4-element Vector{Any}:\n",
+       " AbstractFloat\n",
+       " AbstractIrrational\n",
+       " Integer\n",
+       " Rational"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "#| label: nb3\n",
+    "#| echo: true\n",
+    "subtypes(Real)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "dfabcc51",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "@webio": {
+   "lastCommId": null,
+   "lastKernelId": null
+  },
+  "kernelspec": {
+   "display_name": "Julia 1.8.5",
+   "language": "julia",
+   "name": "julia-1.8"
+  },
+  "language_info": {
+   "file_extension": ".jl",
+   "mimetype": "application/julia",
+   "name": "julia",
+   "version": "1.8.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}