From cc3232a31f322fbb4d99bec5f3341887e0819b4b Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Tue, 24 May 2016 17:29:18 +0100
Subject: [PATCH 01/10] Added very basic koans for integers

---
 lib/koans/16_integers.ex          | 37 +++++++++++++++++++++++++++++++
 lib/runner.ex                     |  1 +
 test/koans/integer_koans_test.exs | 17 ++++++++++++++
 3 files changed, 55 insertions(+)
 create mode 100644 lib/koans/16_integers.ex
 create mode 100644 test/koans/integer_koans_test.exs

diff --git a/lib/koans/16_integers.ex b/lib/koans/16_integers.ex
new file mode 100644
index 0000000..745dbfd
--- /dev/null
+++ b/lib/koans/16_integers.ex
@@ -0,0 +1,37 @@
+defmodule Integers do
+  require Integer
+  use Koans
+
+  @intro "Integers"
+
+  koan "Are you odd?" do
+    assert Integer.is_odd(3) == ___
+  end
+
+  koan "Actually you might be even" do
+    assert Integer.is_even(4) == ___
+  end
+
+  koan "Let's grab the individual digits in a list" do 
+    individual_digits = Integer.digits(58127)
+    assert individual_digits == ___
+  end
+
+  koan "Oh no! I need it back together" do 
+    number = Integer.undigits([1, 2, 3, 4])
+
+    assert number == ___
+  end
+
+  koan "I think I need my number as a char" do 
+    char_digit = Integer.to_char_list(7)
+
+    assert char_digit == ___
+  end
+
+  koan "Actually I want my number as a string" do 
+    string_digit = Integer.to_string(1234)
+
+    assert string_digit == ___
+  end
+end
\ No newline at end of file
diff --git a/lib/runner.ex b/lib/runner.ex
index 401db50..a174869 100644
--- a/lib/runner.ex
+++ b/lib/runner.ex
@@ -15,6 +15,7 @@ defmodule Runner do
     Processes,
     Tasks,
     Agents,
+	Integers,
   ]
 
   def koan?(koan), do: Enum.member?(@modules, koan)
diff --git a/test/koans/integer_koans_test.exs b/test/koans/integer_koans_test.exs
new file mode 100644
index 0000000..2ca196a
--- /dev/null
+++ b/test/koans/integer_koans_test.exs
@@ -0,0 +1,17 @@
+defmodule IntegerTests do
+  use ExUnit.Case
+  import TestHarness
+
+  test "Integers" do
+    answers = [
+      true,
+      false,
+      [5, 8, 1, 2, 7],
+      1234,
+      '7',
+      "1234",
+    ]
+
+    test_all(Integers, answers)
+  end
+end

From 6e9dc8b32861ff1c64b94dc6c670a508f48e6a6c Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Tue, 24 May 2016 17:31:53 +0100
Subject: [PATCH 02/10] fix formatting

---
 lib/runner.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/runner.ex b/lib/runner.ex
index a174869..ab59f73 100644
--- a/lib/runner.ex
+++ b/lib/runner.ex
@@ -15,7 +15,7 @@ defmodule Runner do
     Processes,
     Tasks,
     Agents,
-	Integers,
+    Integers,
   ]
 
   def koan?(koan), do: Enum.member?(@modules, koan)

From 1f9d6a07cc4a690b879c1460d8a4ecf0182ea16f Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Tue, 24 May 2016 18:00:16 +0100
Subject: [PATCH 03/10] fixing failing test

---
 test/koans/integer_koans_test.exs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/koans/integer_koans_test.exs b/test/koans/integer_koans_test.exs
index 2ca196a..cf622db 100644
--- a/test/koans/integer_koans_test.exs
+++ b/test/koans/integer_koans_test.exs
@@ -5,7 +5,7 @@ defmodule IntegerTests do
   test "Integers" do
     answers = [
       true,
-      false,
+      true,
       [5, 8, 1, 2, 7],
       1234,
       '7',

From 9baecdf031171ddd4cb6bcab7433ab365f74c105 Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Tue, 24 May 2016 19:43:00 +0100
Subject: [PATCH 04/10] Add a test for hexidecimal parsing

---
 lib/koans/16_integers.ex          | 4 ++++
 test/koans/integer_koans_test.exs | 1 +
 2 files changed, 5 insertions(+)

diff --git a/lib/koans/16_integers.ex b/lib/koans/16_integers.ex
index 745dbfd..b8adad7 100644
--- a/lib/koans/16_integers.ex
+++ b/lib/koans/16_integers.ex
@@ -34,4 +34,8 @@ defmodule Integers do
 
     assert string_digit == ___
   end
+
+  koan "The meaning of life in hexidecimal is 2A!" do
+    assert Integer.parse("2A", 16) == {___, ""}
+  end
 end
\ No newline at end of file
diff --git a/test/koans/integer_koans_test.exs b/test/koans/integer_koans_test.exs
index cf622db..18815e9 100644
--- a/test/koans/integer_koans_test.exs
+++ b/test/koans/integer_koans_test.exs
@@ -10,6 +10,7 @@ defmodule IntegerTests do
       1234,
       '7',
       "1234",
+      42
     ]
 
     test_all(Integers, answers)

From a57ba3da2de95fdaedc7b648fd47cb3d81824647 Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Wed, 25 May 2016 12:06:52 +0100
Subject: [PATCH 05/10] Add koans for floats, rename to numbers koans,
 reposition on the list

---
 lib/koans/04_numbers.ex                       | 72 +++++++++++++++++++
 lib/koans/{04_atoms.ex => 05_atoms.ex}        |  0
 lib/koans/{05_tuples.ex => 06_tuples.ex}      |  0
 lib/koans/{06_lists.ex => 07_lists.ex}        |  0
 ...7_keyword_lists.ex => 08_keyword_lists.ex} |  0
 lib/koans/{08_maps.ex => 09_maps.ex}          |  0
 lib/koans/{09_structs.ex => 10_structs.ex}    |  0
 ...ern_matching.ex => 11_pattern_matching.ex} |  0
 .../{11_functions.ex => 12_functions.ex}      |  0
 lib/koans/{12_enums.ex => 13_enums.ex}        |  0
 .../{13_processes.ex => 14_processes.ex}      |  0
 lib/koans/{14_tasks.ex => 15_tasks.ex}        |  0
 lib/koans/{15_agents.ex => 16_agents.ex}      |  0
 lib/koans/16_integers.ex                      | 41 -----------
 test/koans/integer_koans_test.exs             | 18 -----
 test/koans/numbers_koans_test.exs             | 25 +++++++
 16 files changed, 97 insertions(+), 59 deletions(-)
 create mode 100644 lib/koans/04_numbers.ex
 rename lib/koans/{04_atoms.ex => 05_atoms.ex} (100%)
 rename lib/koans/{05_tuples.ex => 06_tuples.ex} (100%)
 rename lib/koans/{06_lists.ex => 07_lists.ex} (100%)
 rename lib/koans/{07_keyword_lists.ex => 08_keyword_lists.ex} (100%)
 rename lib/koans/{08_maps.ex => 09_maps.ex} (100%)
 rename lib/koans/{09_structs.ex => 10_structs.ex} (100%)
 rename lib/koans/{10_pattern_matching.ex => 11_pattern_matching.ex} (100%)
 rename lib/koans/{11_functions.ex => 12_functions.ex} (100%)
 rename lib/koans/{12_enums.ex => 13_enums.ex} (100%)
 rename lib/koans/{13_processes.ex => 14_processes.ex} (100%)
 rename lib/koans/{14_tasks.ex => 15_tasks.ex} (100%)
 rename lib/koans/{15_agents.ex => 16_agents.ex} (100%)
 delete mode 100644 lib/koans/16_integers.ex
 delete mode 100644 test/koans/integer_koans_test.exs
 create mode 100644 test/koans/numbers_koans_test.exs

diff --git a/lib/koans/04_numbers.ex b/lib/koans/04_numbers.ex
new file mode 100644
index 0000000..d1a1b46
--- /dev/null
+++ b/lib/koans/04_numbers.ex
@@ -0,0 +1,72 @@
+defmodule Numbers do
+  require Integer
+  use Koans
+
+  @intro "Numbers"
+
+  koan "Are you odd?" do
+    assert Integer.is_odd(3) == ___
+  end
+
+  koan "Actually you might be even" do
+    assert Integer.is_even(4) == ___
+  end
+
+  koan "Let's grab the individual digits in a list" do 
+    individual_digits = Integer.digits(58127)
+    assert individual_digits == ___
+  end
+
+  koan "Oh no! I need it back together" do 
+    number = Integer.undigits([1, 2, 3, 4])
+
+    assert number == ___
+  end
+
+  koan "I think I need my number as a char" do 
+    char_digit = Integer.to_char_list(7)
+
+    assert char_digit == ___
+  end
+
+  koan "Actually I want my number as a string" do 
+    string_digit = Integer.to_string(1234)
+
+    assert string_digit == ___
+  end
+
+  koan "The meaning of life in hexidecimal is 2A!" do
+    assert Integer.parse("2A", 16) == {___, ""}
+  end
+
+  koan "I don't want this decimal point, let's round up" do
+    assert Float.ceil(34.25) == ___
+  end
+
+  koan "OK, I only want it to 1 decimal place" do
+    assert Float.ceil(34.25, 1) == ___
+  end
+
+  koan "Rounding down is what I need" do
+    assert Float.floor(99.99) == ___
+  end
+
+  koan "Rounding down to 2 decimal places" do
+    assert Float.floor(12.345, 2) == ___
+  end
+
+  koan "Just want to parse to a float" do
+    assert Float.parse("34.5") == {___, ""}
+  end
+
+  koan "Hmm, I want to parse this but it has some strings" do
+    assert Float.parse("1 million dollars") == {___, " million dollars"}
+  end
+
+  koan "Round the number up or down for me" do
+    assert Float.round(5.5) == ___
+    assert Float.round(5.4) == ___
+    assert Float.round(8.94, 1) == ___
+    assert Float.round(-5.5674, 3) == ___
+  end
+end
\ No newline at end of file
diff --git a/lib/koans/04_atoms.ex b/lib/koans/05_atoms.ex
similarity index 100%
rename from lib/koans/04_atoms.ex
rename to lib/koans/05_atoms.ex
diff --git a/lib/koans/05_tuples.ex b/lib/koans/06_tuples.ex
similarity index 100%
rename from lib/koans/05_tuples.ex
rename to lib/koans/06_tuples.ex
diff --git a/lib/koans/06_lists.ex b/lib/koans/07_lists.ex
similarity index 100%
rename from lib/koans/06_lists.ex
rename to lib/koans/07_lists.ex
diff --git a/lib/koans/07_keyword_lists.ex b/lib/koans/08_keyword_lists.ex
similarity index 100%
rename from lib/koans/07_keyword_lists.ex
rename to lib/koans/08_keyword_lists.ex
diff --git a/lib/koans/08_maps.ex b/lib/koans/09_maps.ex
similarity index 100%
rename from lib/koans/08_maps.ex
rename to lib/koans/09_maps.ex
diff --git a/lib/koans/09_structs.ex b/lib/koans/10_structs.ex
similarity index 100%
rename from lib/koans/09_structs.ex
rename to lib/koans/10_structs.ex
diff --git a/lib/koans/10_pattern_matching.ex b/lib/koans/11_pattern_matching.ex
similarity index 100%
rename from lib/koans/10_pattern_matching.ex
rename to lib/koans/11_pattern_matching.ex
diff --git a/lib/koans/11_functions.ex b/lib/koans/12_functions.ex
similarity index 100%
rename from lib/koans/11_functions.ex
rename to lib/koans/12_functions.ex
diff --git a/lib/koans/12_enums.ex b/lib/koans/13_enums.ex
similarity index 100%
rename from lib/koans/12_enums.ex
rename to lib/koans/13_enums.ex
diff --git a/lib/koans/13_processes.ex b/lib/koans/14_processes.ex
similarity index 100%
rename from lib/koans/13_processes.ex
rename to lib/koans/14_processes.ex
diff --git a/lib/koans/14_tasks.ex b/lib/koans/15_tasks.ex
similarity index 100%
rename from lib/koans/14_tasks.ex
rename to lib/koans/15_tasks.ex
diff --git a/lib/koans/15_agents.ex b/lib/koans/16_agents.ex
similarity index 100%
rename from lib/koans/15_agents.ex
rename to lib/koans/16_agents.ex
diff --git a/lib/koans/16_integers.ex b/lib/koans/16_integers.ex
deleted file mode 100644
index b8adad7..0000000
--- a/lib/koans/16_integers.ex
+++ /dev/null
@@ -1,41 +0,0 @@
-defmodule Integers do
-  require Integer
-  use Koans
-
-  @intro "Integers"
-
-  koan "Are you odd?" do
-    assert Integer.is_odd(3) == ___
-  end
-
-  koan "Actually you might be even" do
-    assert Integer.is_even(4) == ___
-  end
-
-  koan "Let's grab the individual digits in a list" do 
-    individual_digits = Integer.digits(58127)
-    assert individual_digits == ___
-  end
-
-  koan "Oh no! I need it back together" do 
-    number = Integer.undigits([1, 2, 3, 4])
-
-    assert number == ___
-  end
-
-  koan "I think I need my number as a char" do 
-    char_digit = Integer.to_char_list(7)
-
-    assert char_digit == ___
-  end
-
-  koan "Actually I want my number as a string" do 
-    string_digit = Integer.to_string(1234)
-
-    assert string_digit == ___
-  end
-
-  koan "The meaning of life in hexidecimal is 2A!" do
-    assert Integer.parse("2A", 16) == {___, ""}
-  end
-end
\ No newline at end of file
diff --git a/test/koans/integer_koans_test.exs b/test/koans/integer_koans_test.exs
deleted file mode 100644
index 18815e9..0000000
--- a/test/koans/integer_koans_test.exs
+++ /dev/null
@@ -1,18 +0,0 @@
-defmodule IntegerTests do
-  use ExUnit.Case
-  import TestHarness
-
-  test "Integers" do
-    answers = [
-      true,
-      true,
-      [5, 8, 1, 2, 7],
-      1234,
-      '7',
-      "1234",
-      42
-    ]
-
-    test_all(Integers, answers)
-  end
-end
diff --git a/test/koans/numbers_koans_test.exs b/test/koans/numbers_koans_test.exs
new file mode 100644
index 0000000..da7445c
--- /dev/null
+++ b/test/koans/numbers_koans_test.exs
@@ -0,0 +1,25 @@
+defmodule NumbersTests do
+  use ExUnit.Case
+  import TestHarness
+
+  test "Numbers" do
+    answers = [
+      true,
+      true,
+      [5, 8, 1, 2, 7],
+      1234,
+      '7',
+      "1234",
+      42,
+      35.0,
+      34.3,
+      99.0,
+      12.34,
+      {34.5, ""},
+      1.0,
+      {:multiple, [6.0, 5.0, 8.94, -5.567]},
+    ]
+
+    test_all(Numbers, answers)
+  end
+end

From 14858cd497b8a0d99e13061fb7425a393d78a8c0 Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Wed, 25 May 2016 12:07:40 +0100
Subject: [PATCH 06/10] reposition numbers koans in the runner.ex file

---
 lib/runner.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/runner.ex b/lib/runner.ex
index ab59f73..046ed9e 100644
--- a/lib/runner.ex
+++ b/lib/runner.ex
@@ -3,6 +3,7 @@ defmodule Runner do
     Equalities,
     Strings,
     Sigils,
+    Numbers,
     Atoms,
     Tuples,
     Lists,
@@ -15,7 +16,6 @@ defmodule Runner do
     Processes,
     Tasks,
     Agents,
-    Integers,
   ]
 
   def koan?(koan), do: Enum.member?(@modules, koan)

From 57d1b5399a0059fe4b4312a050d45273d74b2fb2 Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Wed, 25 May 2016 12:09:36 +0100
Subject: [PATCH 07/10] fix failing test

---
 test/koans/numbers_koans_test.exs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/koans/numbers_koans_test.exs b/test/koans/numbers_koans_test.exs
index da7445c..4d99440 100644
--- a/test/koans/numbers_koans_test.exs
+++ b/test/koans/numbers_koans_test.exs
@@ -16,7 +16,7 @@ defmodule NumbersTests do
       99.0,
       12.34,
       {34.5, ""},
-      1.0,
+      {1.0, " million dollars"},
       {:multiple, [6.0, 5.0, 8.94, -5.567]},
     ]
 

From 40174320f910bdb5e9428a41e8cf79b2c9fc4c17 Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Wed, 25 May 2016 13:45:10 +0100
Subject: [PATCH 08/10] fix failing tests - for real this time :D

---
 test/koans/numbers_koans_test.exs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/koans/numbers_koans_test.exs b/test/koans/numbers_koans_test.exs
index 4d99440..ac1bdb7 100644
--- a/test/koans/numbers_koans_test.exs
+++ b/test/koans/numbers_koans_test.exs
@@ -15,9 +15,9 @@ defmodule NumbersTests do
       34.3,
       99.0,
       12.34,
-      {34.5, ""},
-      {1.0, " million dollars"},
-      {:multiple, [6.0, 5.0, 8.94, -5.567]},
+      34.5,
+      1.0,
+      {:multiple, [6.0, 5.0, 8.9, -5.567]},
     ]
 
     test_all(Numbers, answers)

From 458d18494ef365bfd9102a32444e43892392fd2a Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Wed, 25 May 2016 23:11:56 +0100
Subject: [PATCH 09/10] Added some koans for the Range module

---
 lib/koans/04_numbers.ex           | 21 +++++++++++++++++++++
 test/koans/numbers_koans_test.exs |  3 +++
 2 files changed, 24 insertions(+)

diff --git a/lib/koans/04_numbers.ex b/lib/koans/04_numbers.ex
index d1a1b46..3ce1f0a 100644
--- a/lib/koans/04_numbers.ex
+++ b/lib/koans/04_numbers.ex
@@ -69,4 +69,25 @@ defmodule Numbers do
     assert Float.round(8.94, 1) == ___
     assert Float.round(-5.5674, 3) == ___
   end
+
+  koan "I want the first and last in the range" do
+    first..last = Range.new(1, 10)
+
+    assert first == ___
+    assert last == ___
+  end
+
+  koan "Does my number exist in the range?" do
+    range = Range.new(1, 10)
+
+    assert 4 in range == ___
+    assert 10 in range == ___
+    assert 0 in range == ___
+  end
+
+  koan "Is this a range?" do    
+    assert Range.range?(1..10) == ___
+    assert Range.range?(0) == ___
+  end
+
 end
\ No newline at end of file
diff --git a/test/koans/numbers_koans_test.exs b/test/koans/numbers_koans_test.exs
index ac1bdb7..f60690e 100644
--- a/test/koans/numbers_koans_test.exs
+++ b/test/koans/numbers_koans_test.exs
@@ -18,6 +18,9 @@ defmodule NumbersTests do
       34.5,
       1.0,
       {:multiple, [6.0, 5.0, 8.9, -5.567]},
+      {:multiple, [1, 10]},
+      {:multiple, [true, true, false]},
+      {:multiple, [true, false]},
     ]
 
     test_all(Numbers, answers)

From ba673557cfc46808b1ffb621d40add38c7962424 Mon Sep 17 00:00:00 2001
From: Mahmut Surekci <msurekci@dctfh.com>
Date: Thu, 26 May 2016 10:33:46 +0100
Subject: [PATCH 10/10] Remove blank line and intro title changed

---
 lib/koans/04_numbers.ex | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/koans/04_numbers.ex b/lib/koans/04_numbers.ex
index 3ce1f0a..89d4bb9 100644
--- a/lib/koans/04_numbers.ex
+++ b/lib/koans/04_numbers.ex
@@ -2,7 +2,7 @@ defmodule Numbers do
   require Integer
   use Koans
 
-  @intro "Numbers"
+  @intro "Why is the number six so scared? Because seven eight nine!\nWe should get to know numbers a bit more!"
 
   koan "Are you odd?" do
     assert Integer.is_odd(3) == ___
@@ -89,5 +89,4 @@ defmodule Numbers do
     assert Range.range?(1..10) == ___
     assert Range.range?(0) == ___
   end
-
 end
\ No newline at end of file