From d3b67c080162346d184beb6a3ffe8739a44e4b1e Mon Sep 17 00:00:00 2001
From: Ian Whitney <whit0694@umn.edu>
Date: Fri, 2 Sep 2016 06:47:22 -0500
Subject: [PATCH 1/2] WIP: Updating config.json

Working on #179

The new exercises collection is in place and I'm populating the topics
values.
---
 config.json | 253 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 253 insertions(+)

diff --git a/config.json b/config.json
index 0775fa7fd..2173084f2 100644
--- a/config.json
+++ b/config.json
@@ -3,6 +3,259 @@
   "language": "Rust",
   "repository": "https://github.com/exercism/xrust",
   "active": true,
+  "exercises": [
+    {
+      "slug": "hello-world",
+      "difficulty": ,
+      "topics": [
+        "Optional values",
+        "Strings"
+      ]
+    },
+    {
+      "slug": "gigasecond",
+      "difficulty": ,
+      "topics": [
+        "Dates",
+        "Time",
+        "External libraries"
+      ]
+    },
+    {
+      "slug": "leap",
+      "difficulty": ,
+      "topics": [
+        "Mathematics",
+        "Booleans"
+      ]
+    },
+    {
+      "slug": "raindrops",
+      "difficulty": ,
+      "topics": [
+        "Mathematics",
+        "Mutability",
+        "Control-flow (if-else statements)"
+      ]
+    },
+    {
+      "slug": "bob",
+      "difficulty": ,
+      "topics": [
+        "Strings",
+        "Char",
+        "Higher-order functions"
+      ]
+    },
+    {
+      "slug": "beer-song",
+      "difficulty": ,
+      "topics": [
+        "Control-flow (if-else statements)",
+        "Strings"
+      ]
+    },
+    {
+      "slug": "difference-of-squares",
+      "difficulty": ,
+      "topics": [
+        "Mathematics",
+        "Higher-order functions"
+      ]
+    },
+    {
+      "slug": "hamming",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "scrabble-score",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "pangram",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "nucleotide-count",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "word-count",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "etl",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "sieve",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "rna-transcription",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "roman-numerals",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "hexadecimal",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "grade-school",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "tournament",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "robot-simulator",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "bracket-push",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "queen-attack",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "sublist",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "space-age",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "allergies",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "variable-length-quantity",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "phone-number",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "wordy",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "custom-set",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "anagram",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "nucleotide-codons",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "robot-name",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "ocr-numbers",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "minesweeper",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "dominoes",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "parallel-letter-frequency",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "rectangles",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "forth",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+    {
+      "slug": "circular-buffer",
+      "difficulty": ,
+      "topics": [
+      ]
+    },
+  ],
   "problems": [
     "hello-world",
     "gigasecond",

From ad9fddbe64d3969d4085c4998325d49cb34da3d1 Mon Sep 17 00:00:00 2001
From: Ian Whitney <whit0694@umn.edu>
Date: Sun, 4 Sep 2016 19:03:39 -0500
Subject: [PATCH 2/2] Ongoing WIP

---
 config.json | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/config.json b/config.json
index 2173084f2..9b4dd8f81 100644
--- a/config.json
+++ b/config.json
@@ -67,126 +67,189 @@
       "slug": "hamming",
       "difficulty": ,
       "topics": [
+        "Exception handling",
+        "Result",
+        "Higher-orderfunctions",
+        "Char"
       ]
     },
     {
       "slug": "scrabble-score",
       "difficulty": ,
       "topics": [
+        "Char",
+        "Higher-order functions",
+        "Maps"
       ]
     },
     {
       "slug": "pangram",
       "difficulty": ,
       "topics": [
+        "Char",
+        "Higher-order functions",
+        "ascii"
       ]
     },
     {
       "slug": "nucleotide-count",
       "difficulty": ,
       "topics": [
+        "Maps",
+        "Entry API",
+        "Char"
       ]
     },
     {
       "slug": "word-count",
       "difficulty": ,
       "topics": [
+        "Maps",
+        "Entry API",
+        "Char"
       ]
     },
     {
       "slug": "etl",
       "difficulty": ,
       "topics": [
+        "Maps",
+        "BTreeMap",
+        "Higher-order functions",
+        "Optional values"
       ]
     },
     {
       "slug": "sieve",
       "difficulty": ,
       "topics": [
+        "Mathematics",
+        "Control-flow (loops)",
+        "Ranges",
+        "Higher-order functions"
       ]
     },
     {
       "slug": "rna-transcription",
       "difficulty": ,
       "topics": [
+        "Structs",
+        "Char"
       ]
     },
     {
       "slug": "roman-numerals",
       "difficulty": ,
       "topics": [
+        "From trait",
+        "Display trait",
+        "Maps"
       ]
     },
     {
       "slug": "hexadecimal",
       "difficulty": ,
       "topics": [
+        "Mathematics",
+        "Higher-order functions"
+        "Type conversion"
       ]
     },
     {
       "slug": "grade-school",
       "difficulty": ,
       "topics": [
+        "Maps",
+        "Optional values",
+        "Entry API"
       ]
     },
     {
       "slug": "tournament",
       "difficulty": ,
       "topics": [
+        "Enumerations",
+        "Structs",
+        "Parsing",
+        "Sorting"
       ]
     },
     {
       "slug": "robot-simulator",
       "difficulty": ,
       "topics": [
+        "Enumerations",
+        "Immutability"
       ]
     },
     {
       "slug": "bracket-push",
       "difficulty": ,
       "topics": [
+        "From trait"
+        "Lifetimes"
       ]
     },
     {
       "slug": "queen-attack",
       "difficulty": ,
       "topics": [
+        "Exception handling",
+        "Mathematics",
+        "Structs"
       ]
     },
     {
       "slug": "sublist",
       "difficulty": ,
       "topics": [
+        "Slices",
+        "Generics",
+        "Mathematics",
+        "Enumerations"
       ]
     },
     {
       "slug": "space-age",
       "difficulty": ,
       "topics": [
+        "Type conversion",
+        "Traits"
       ]
     },
     {
       "slug": "allergies",
       "difficulty": ,
       "topics": [
+        "Enumerations",
+        "Bitwise operations",
+        "Higher-order functions"
       ]
     },
     {
       "slug": "variable-length-quantity",
       "difficulty": ,
       "topics": [
+        "Slices",
+        "Exception handling",
+        "Bitwise operations"
       ]
     },
     {
       "slug": "phone-number",
       "difficulty": ,
       "topics": [
+        "Optional values",
+        "Display",
+        "Higher-order functions"
       ]
     },
     {
       "slug": "wordy",
       "difficulty": ,
       "topics": [
+        "Parsing",
+
       ]
     },
     {