Drop Elixir 1.12 (#1504)

* Drop Elixir 1.12

* Remove outdated and optional version signifiers

* Reformat

* Reformat sneaky string

* Clean up remaining old version references

.github/workflows/ci.yml

@@ -76,8 +76,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - elixir: '1.12.0'
-            otp: '24.0'
           - elixir: '1.13.0'
             otp: '24.1'
           - elixir: '1.14.0'

README.md

@@ -8,7 +8,7 @@
 
 ## Setup
 
-The exercises currently target Elixir versions from 1.12 to 1.17 and Erlang/OTP versions from 24 to 27. Detailed installation instructions can be found at
+The exercises currently target Elixir versions from 1.13 to 1.17 and Erlang/OTP versions from 24 to 27. Detailed installation instructions can be found at
 [https://elixir-lang.org/install.html](https://elixir-lang.org/install.html). We recommend using the [asdf version manager](https://github.com/asdf-vm/asdf) to manage multiple Elixir versions.
 
 ## Testing

bin/bootstrap_practice_exercise.exs

@@ -167,7 +167,6 @@ defmodule #{module}.MixProject do
     [
       app: :#{exercise_snake_case},
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/basketball-website/.meta/config.json

@@ -17,6 +17,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about Access Behaviour by helping extract deeply nested data for the basketball team's website."
 }

exercises/concept/basketball-website/mix.exs

@@ -5,7 +5,6 @@ defmodule BasketballWebsite.MixProject do
     [
       app: :basketball_website,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/bird-count/.meta/config.json

@@ -16,7 +16,6 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "forked_from": [
     "csharp/bird-watcher"
   ],

exercises/concept/bird-count/mix.exs

@@ -5,7 +5,6 @@ defmodule BirdCount.MixProject do
     [
       app: :bird_count,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/boutique-inventory/.meta/config.json

@@ -17,6 +17,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about the Enum module by preparing your fashion boutique for the big annual sale."
 }

exercises/concept/boutique-inventory/mix.exs

@@ -5,7 +5,6 @@ defmodule BoutiqueInventory.MixProject do
     [
       app: :boutique_inventory,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/boutique-suggestions/.meta/config.json

@@ -17,6 +17,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about list comprehensions by generating outfit suggestions for the clients of your fashion boutique."
 }

exercises/concept/boutique-suggestions/mix.exs

@@ -5,7 +5,6 @@ defmodule BoutiqueSuggestions.MixProject do
     [
       app: :boutique_suggestions,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/bread-and-potions/.meta/config.json

@@ -16,6 +16,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about protocols by developing your own role-playing video game."
 }

exercises/concept/bread-and-potions/mix.exs

@@ -5,7 +5,6 @@ defmodule RPG.MixProject do
     [
       app: :bread_and_potions,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/captains-log/.meta/config.json

@@ -16,6 +16,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about randomness and using Erlang libraries from Elixir by helping Mary generate stardates and starship registry numbers for her Star Trek themed pen-and-paper role playing sessions."
 }

exercises/concept/captains-log/mix.exs

@@ -5,7 +5,6 @@ defmodule CaptainsLog.MixProject do
     [
       app: :captains_log,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/chessboard/.meta/config.json

@@ -16,6 +16,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about ranges by generating a chessboard."
 }

exercises/concept/chessboard/mix.exs

@@ -5,7 +5,6 @@ defmodule Chessboard.MixProject do
     [
       app: :chessboard,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/city-office/.meta/config.json

@@ -17,6 +17,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about writing documentation and typespecs by getting your code ready for the arrival of a new colleague at the city office."
 }

exercises/concept/city-office/mix.exs

@@ -5,7 +5,6 @@ defmodule Form.MixProject do
     [
       app: :city_office,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/community-garden/.meta/config.json

@@ -20,6 +20,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about the Agent module by helping your local community handle community garden registrations."
 }

exercises/concept/community-garden/mix.exs

@@ -5,7 +5,6 @@ defmodule CommunityGarden.MixProject do
     [
       app: :community_garden,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/dancing-dots/.meta/config.json

@@ -20,6 +20,5 @@
       "lib/dancing_dots/dot_group.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about behaviours by writing animations for dot-based generative art."
 }

exercises/concept/dancing-dots/mix.exs

@@ -5,7 +5,6 @@ defmodule DancingDots.MixProject do
     [
       app: :dancing_dots,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/date-parser/.meta/config.json

@@ -17,6 +17,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about regular expressions by parsing dates."
 }

exercises/concept/date-parser/mix.exs

@@ -5,7 +5,6 @@ defmodule DateParser.MixProject do
     [
       app: :date_parser,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/dna-encoding/.meta/config.json

@@ -17,6 +17,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about bitstrings and tail call recursion by encoding DNA sequences as binary data."
 }

exercises/concept/dna-encoding/mix.exs

@@ -5,7 +5,6 @@ defmodule DNA.MixProject do
     [
       app: :dna,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/file-sniffer/.meta/config.json

@@ -17,6 +17,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about binaries by verifying the mime type of files uploaded to your server."
 }

exercises/concept/file-sniffer/mix.exs

@@ -5,7 +5,6 @@ defmodule FileSniffer.MixProject do
     [
       app: :file_sniffer,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/freelancer-rates/.meta/config.json

@@ -16,7 +16,6 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "forked_from": [
     "javascript/freelancer-rates"
   ],

exercises/concept/freelancer-rates/mix.exs

@@ -5,7 +5,6 @@ defmodule FreelancerRates.MixProject do
     [
       app: :freelancer_rates,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/german-sysadmin/.meta/config.json

@@ -16,6 +16,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about charlists and the case conditional expression by sanitizing usernames of employees in a German company."
 }

exercises/concept/german-sysadmin/mix.exs

@@ -5,7 +5,6 @@ defmodule Username.MixProject do
     [
       app: :german_sysadmin,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/guessing-game/.meta/config.json

@@ -16,7 +16,6 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "forked_from": [
     "fsharp/guessing-game"
   ],

exercises/concept/guessing-game/mix.exs

@@ -5,7 +5,6 @@ defmodule GuessingGame.MixProject do
     [
       app: :guessing_game,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/high-school-sweetheart/.meta/config.json

@@ -16,7 +16,6 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "icon": "high-school-sweethearts",
   "blurb": "Learn about strings and the pipe operator by helping high school sweethearts profess their love on social media via ASCII art."
 }

exercises/concept/high-school-sweetheart/mix.exs

@@ -5,7 +5,6 @@ defmodule HighSchoolSweetheart.MixProject do
     [
       app: :high_school_sweetheart,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/high-score/.meta/config.json

@@ -13,7 +13,6 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "icon": "high-scores",
   "blurb": "Learn about maps by keeping track of the high scores in your local arcade hall."
 }

exercises/concept/high-score/mix.exs

@@ -5,7 +5,6 @@ defmodule HighScore.MixProject do
     [
       app: :high_score,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/kitchen-calculator/.meta/config.json

@@ -16,6 +16,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about tuples and pattern matching by converting common US baking measurements to the metric system."
 }

exercises/concept/kitchen-calculator/mix.exs

@@ -5,7 +5,6 @@ defmodule KitchenCalculator.MixProject do
     [
       app: :kitchen_calculator,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/language-list/.meta/config.json

@@ -16,7 +16,6 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "forked_from": [
     "clojure/tracks-on-tracks-on-tracks"
   ],

exercises/concept/language-list/mix.exs

@@ -5,7 +5,6 @@ defmodule LanguageList.MixProject do
     [
       app: :language_list,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/lasagna/.meta/config.json

@@ -16,7 +16,6 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "forked_from": [
     "csharp/lucians-luscious-lasagna"
   ],

exercises/concept/lasagna/mix.exs

@@ -5,7 +5,6 @@ defmodule Lasagna.MixProject do
     [
       app: :lasagna,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/library-fees/.meta/config.json

@@ -16,6 +16,5 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "blurb": "Learn about dates and time by calculating late fees for the local library."
 }

exercises/concept/library-fees/mix.exs

@@ -5,7 +5,6 @@ defmodule LibraryFees.MixProject do
     [
       app: :library_fees,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/log-level/.meta/config.json

@@ -13,7 +13,6 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "forked_from": [
     "csharp/logs-logs-logs"
   ],

exercises/concept/log-level/mix.exs

@@ -5,7 +5,6 @@ defmodule LogLevel.MixProject do
     [
       app: :log_level,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]

exercises/concept/log-parser/.meta/config.json

@@ -13,7 +13,6 @@
       ".meta/exemplar.ex"
     ]
   },
-  "language_versions": ">=1.10",
   "forked_from": [
     "go/parsing-log-files"
   ],

exercises/concept/log-parser/mix.exs

@@ -5,7 +5,6 @@ defmodule LogParser.MixProject do
     [
       app: :log_parser,
       version: "0.1.0",
-      # elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]