From 5f149826e10560afd41216a7daf702f6afe3933f Mon Sep 17 00:00:00 2001
From: Jay Hayes <ur@iamvery.com>
Date: Mon, 16 May 2016 18:43:22 -0500
Subject: [PATCH 1/3] Rename existing koans to make room for sigils

---
 lib/koans/{03_atoms.ex => 04_atoms.ex}                       | 0
 lib/koans/{04_tuples.ex => 05_tuples.ex}                     | 0
 lib/koans/{05_lists.ex => 06_lists.ex}                       | 0
 lib/koans/{06_keyword_lists.ex => 07_keyword_lists.ex}       | 0
 lib/koans/{07_maps.ex => 08_maps.ex}                         | 0
 lib/koans/{08_structs.ex => 09_structs.ex}                   | 0
 lib/koans/{09_pattern_matching.ex => 10_pattern_matching.ex} | 0
 lib/koans/{10_functions.ex => 11_functions.ex}               | 0
 lib/koans/{11_enums.ex => 12_enums.ex}                       | 0
 lib/koans/{12_processes.ex => 13_processes.ex}               | 0
 lib/koans/{13_tasks.ex => 14_tasks.ex}                       | 0
 lib/koans/{14_agents.ex => 15_agents.ex}                     | 0
 12 files changed, 0 insertions(+), 0 deletions(-)
 rename lib/koans/{03_atoms.ex => 04_atoms.ex} (100%)
 rename lib/koans/{04_tuples.ex => 05_tuples.ex} (100%)
 rename lib/koans/{05_lists.ex => 06_lists.ex} (100%)
 rename lib/koans/{06_keyword_lists.ex => 07_keyword_lists.ex} (100%)
 rename lib/koans/{07_maps.ex => 08_maps.ex} (100%)
 rename lib/koans/{08_structs.ex => 09_structs.ex} (100%)
 rename lib/koans/{09_pattern_matching.ex => 10_pattern_matching.ex} (100%)
 rename lib/koans/{10_functions.ex => 11_functions.ex} (100%)
 rename lib/koans/{11_enums.ex => 12_enums.ex} (100%)
 rename lib/koans/{12_processes.ex => 13_processes.ex} (100%)
 rename lib/koans/{13_tasks.ex => 14_tasks.ex} (100%)
 rename lib/koans/{14_agents.ex => 15_agents.ex} (100%)

diff --git a/lib/koans/03_atoms.ex b/lib/koans/04_atoms.ex
similarity index 100%
rename from lib/koans/03_atoms.ex
rename to lib/koans/04_atoms.ex
diff --git a/lib/koans/04_tuples.ex b/lib/koans/05_tuples.ex
similarity index 100%
rename from lib/koans/04_tuples.ex
rename to lib/koans/05_tuples.ex
diff --git a/lib/koans/05_lists.ex b/lib/koans/06_lists.ex
similarity index 100%
rename from lib/koans/05_lists.ex
rename to lib/koans/06_lists.ex
diff --git a/lib/koans/06_keyword_lists.ex b/lib/koans/07_keyword_lists.ex
similarity index 100%
rename from lib/koans/06_keyword_lists.ex
rename to lib/koans/07_keyword_lists.ex
diff --git a/lib/koans/07_maps.ex b/lib/koans/08_maps.ex
similarity index 100%
rename from lib/koans/07_maps.ex
rename to lib/koans/08_maps.ex
diff --git a/lib/koans/08_structs.ex b/lib/koans/09_structs.ex
similarity index 100%
rename from lib/koans/08_structs.ex
rename to lib/koans/09_structs.ex
diff --git a/lib/koans/09_pattern_matching.ex b/lib/koans/10_pattern_matching.ex
similarity index 100%
rename from lib/koans/09_pattern_matching.ex
rename to lib/koans/10_pattern_matching.ex
diff --git a/lib/koans/10_functions.ex b/lib/koans/11_functions.ex
similarity index 100%
rename from lib/koans/10_functions.ex
rename to lib/koans/11_functions.ex
diff --git a/lib/koans/11_enums.ex b/lib/koans/12_enums.ex
similarity index 100%
rename from lib/koans/11_enums.ex
rename to lib/koans/12_enums.ex
diff --git a/lib/koans/12_processes.ex b/lib/koans/13_processes.ex
similarity index 100%
rename from lib/koans/12_processes.ex
rename to lib/koans/13_processes.ex
diff --git a/lib/koans/13_tasks.ex b/lib/koans/14_tasks.ex
similarity index 100%
rename from lib/koans/13_tasks.ex
rename to lib/koans/14_tasks.ex
diff --git a/lib/koans/14_agents.ex b/lib/koans/15_agents.ex
similarity index 100%
rename from lib/koans/14_agents.ex
rename to lib/koans/15_agents.ex

From 649c649084f57a639238d02f9ec120d94905d7d0 Mon Sep 17 00:00:00 2001
From: Jay Hayes <ur@iamvery.com>
Date: Mon, 16 May 2016 18:43:45 -0500
Subject: [PATCH 2/3] Port sigil koans from iamvery/elixir-koans

https://github.com/iamvery/elixir-koans/blob/7705d743acf3720f75852eb6badfe57f428a3481/about_sigils.exs
h/t @sebastiangeiger
---
 lib/koans/03_sigils.ex           | 39 ++++++++++++++++++++++++++++++++
 test/koans/sigils_koans_test.exs | 19 ++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 lib/koans/03_sigils.ex
 create mode 100644 test/koans/sigils_koans_test.exs

diff --git a/lib/koans/03_sigils.ex b/lib/koans/03_sigils.ex
new file mode 100644
index 0000000..9e72ad8
--- /dev/null
+++ b/lib/koans/03_sigils.ex
@@ -0,0 +1,39 @@
+defmodule Sigils do
+  use Koans
+
+  @intro "Sigils"
+
+  koan "The ~s sigil is a different way of expressing string literals" do
+    assert ~s{This is a string} == ___
+  end
+
+  koan "Sigils are useful to avoid escaping quotes in strings" do
+    assert "\"Welcome to the jungle\", they said." == ___
+  end
+
+  koan "Sigils can use different delimiters" do
+    matches? = ~s{This works!} == ~s[This works!]
+    assert matches? == ___
+  end
+
+  koan "The lowercase ~s sigil supports string interpolation" do
+    assert ~s[1 + 1 = #{1+1}] == ___
+  end
+
+  koan "The ~S sigil is similar to ~s but doesn't do interpolation" do
+    assert ~S[1 + 1 = #{1+1}] == ___
+  end
+
+  koan "The ~w sigil creates word lists" do
+    assert ~w(Hello world) == [___, ___]
+  end
+
+  koan "The ~w sigil also allows interpolation" do
+    assert ~w(Hello 1#{1+1}3) == [___, ___]
+  end
+
+  koan "The ~W sigil behaves to ~w as ~S behaves to ~s" do
+    assert ~W(Hello #{1+1}) == ["Hello", ___]
+  end
+end
+
diff --git a/test/koans/sigils_koans_test.exs b/test/koans/sigils_koans_test.exs
new file mode 100644
index 0000000..0821eaa
--- /dev/null
+++ b/test/koans/sigils_koans_test.exs
@@ -0,0 +1,19 @@
+defmodule SigilsTests do
+  use ExUnit.Case
+  import TestHarness
+
+  test "Sigils" do
+    answers = [
+      "This is a string",
+      ~S("Welcome to the jungle", they said.),
+      true,
+      "1 + 1 = 2",
+      ~S(1 + 1 = #{1+1}),
+      {:multiple, ["Hello", "world"]},
+      {:multiple, ["Hello", "123"]},
+      ~S(#{1+1}),
+    ]
+
+    test_all(Sigils, answers)
+  end
+end

From e60a284e36d978770fd2a0aa7d33cad1b7b57e5c Mon Sep 17 00:00:00 2001
From: Jay Hayes <ur@iamvery.com>
Date: Tue, 17 May 2016 07:53:07 -0500
Subject: [PATCH 3/3] Make list sigil lessons a little more challenging

---
 lib/koans/03_sigils.ex           | 6 +++---
 test/koans/sigils_koans_test.exs | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/koans/03_sigils.ex b/lib/koans/03_sigils.ex
index 9e72ad8..deef195 100644
--- a/lib/koans/03_sigils.ex
+++ b/lib/koans/03_sigils.ex
@@ -25,15 +25,15 @@ defmodule Sigils do
   end
 
   koan "The ~w sigil creates word lists" do
-    assert ~w(Hello world) == [___, ___]
+    assert ~w(Hello world) == ___
   end
 
   koan "The ~w sigil also allows interpolation" do
-    assert ~w(Hello 1#{1+1}3) == [___, ___]
+    assert ~w(Hello 1#{1+1}3) == ___
   end
 
   koan "The ~W sigil behaves to ~w as ~S behaves to ~s" do
-    assert ~W(Hello #{1+1}) == ["Hello", ___]
+    assert ~W(Hello #{1+1}) == ___
   end
 end
 
diff --git a/test/koans/sigils_koans_test.exs b/test/koans/sigils_koans_test.exs
index 0821eaa..096fff2 100644
--- a/test/koans/sigils_koans_test.exs
+++ b/test/koans/sigils_koans_test.exs
@@ -9,9 +9,9 @@ defmodule SigilsTests do
       true,
       "1 + 1 = 2",
       ~S(1 + 1 = #{1+1}),
-      {:multiple, ["Hello", "world"]},
-      {:multiple, ["Hello", "123"]},
-      ~S(#{1+1}),
+      ["Hello", "world"],
+      ["Hello", "123"],
+      ["Hello", ~S(#{1+1})],
     ]
 
     test_all(Sigils, answers)