[gleam] complete raindrops

gleam/raindrops/.gitignore

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+*.beam
+*.ez
+build
+erl_crash.dump

gleam/raindrops/HELP.md

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+# Help
+
+## Running the tests
+
+To run the tests, run the command `gleam test` from within the exercise directory.
+
+## Submitting your solution
+
+You can submit your solution using the `exercism submit src/raindrops.gleam` command.
+This command will upload your solution to the Exercism website and print the solution page's URL.
+
+It's possible to submit an incomplete solution which allows you to:
+
+- See how others have completed the exercise
+- Request help from a mentor
+
+## Need to get help?
+
+If you'd like help solving the exercise, check the following pages:
+
+- The [Gleam track's documentation](https://exercism.org/docs/tracks/gleam)
+- The [Gleam track's programming category on the forum](https://forum.exercism.org/c/programming/gleam)
+- [Exercism's programming category on the forum](https://forum.exercism.org/c/programming/5)
+- The [Frequently Asked Questions](https://exercism.org/docs/using/faqs)
+
+Should those resources not suffice, you could submit your (incomplete) solution to request mentoring.
+
+To get help if you're having trouble, you can use one of the following resources:
+
+- [gleam.run](https://gleam.run/documentation/) is the gleam official documentation.
+- [Discord](https://discord.gg/Fm8Pwmy) is the discord channel.
+- [StackOverflow](https://stackoverflow.com/questions/tagged/gleam) can be used to search for your problem and see if it has been answered already. You can also ask and answer questions.

gleam/raindrops/README.md

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+# Raindrops
+
+Welcome to Raindrops on Exercism's Gleam Track.
+If you need help running the tests or submitting your code, check out `HELP.md`.
+
+## Introduction
+
+Raindrops is a slightly more complex version of the FizzBuzz challenge, a classic interview question.
+
+## Instructions
+
+Your task is to convert a number into its corresponding raindrop sounds.
+
+If a given number:
+
+- is divisible by 3, add "Pling" to the result.
+- is divisible by 5, add "Plang" to the result.
+- is divisible by 7, add "Plong" to the result.
+- **is not** divisible by 3, 5, or 7, the result should be the number as a string.
+
+## Examples
+
+- 28 is divisible by 7, but not 3 or 5, so the result would be `"Plong"`.
+- 30 is divisible by 3 and 5, but not 7, so the result would be `"PlingPlang"`.
+- 34 is not divisible by 3, 5, or 7, so the result would be `"34"`.
+
+~~~~exercism/note
+A common way to test if one number is evenly divisible by another is to compare the [remainder][remainder] or [modulus][modulo] to zero.
+Most languages provide operators or functions for one (or both) of these.
+
+[remainder]: https://exercism.org/docs/programming/operators/remainder
+[modulo]: https://en.wikipedia.org/wiki/Modulo_operation
+~~~~
+
+## Source
+
+### Created by
+
+- @lpil
+
+### Based on
+
+A variation on FizzBuzz, a famous technical interview question that is intended to weed out potential candidates. That question is itself derived from Fizz Buzz, a popular children's game for teaching division. - https://en.wikipedia.org/wiki/Fizz_buzz

gleam/raindrops/gleam.toml

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+name = "raindrops"
+version = "0.1.0"
+
+[dependencies]
+gleam_bitwise = "~> 1.2"
+gleam_otp = "~> 0.7 or ~> 1.0"
+gleam_stdlib = "~> 0.32 or ~> 1.0"
+simplifile = "~> 1.0"
+
+[dev-dependencies]
+exercism_test_runner = "~> 1.4"

gleam/raindrops/manifest.toml

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+# This file was generated by Gleam
+# You typically do not need to edit this file
+
+packages = [
+  { name = "argv", version = "1.0.1", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "A6E9009E50BBE863EB37D963E4315398D41A3D87D0075480FC244125808F964A" },
+  { name = "exercism_test_runner", version = "1.7.0", build_tools = ["gleam"], requirements = ["argv", "gap", "glance", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_stdlib", "simplifile"], otp_app = "exercism_test_runner", source = "hex", outer_checksum = "2FC1BADB19BEC2AE77BFD2D3A606A014C85412A7B874CAFC4BA8CF04B0B257CD" },
+  { name = "gap", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_stdlib"], otp_app = "gap", source = "hex", outer_checksum = "2EE1B0A17E85CF73A0C1D29DA315A2699117A8F549C8E8D89FA8261BE41EDEB1" },
+  { name = "glance", version = "0.8.2", build_tools = ["gleam"], requirements = ["gleam_stdlib", "glexer"], otp_app = "glance", source = "hex", outer_checksum = "ACF09457E8B564AD7A0D823DAFDD326F58263C01ACB0D432A9BEFDEDD1DA8E73" },
+  { name = "gleam_bitwise", version = "1.3.1", build_tools = ["gleam"], requirements = [], otp_app = "gleam_bitwise", source = "hex", outer_checksum = "B36E1D3188D7F594C7FD4F43D0D2CE17561DE896202017548578B16FE1FE9EFC" },
+  { name = "gleam_community_ansi", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "FE79E08BF97009729259B6357EC058315B6FBB916FAD1C2FF9355115FEB0D3A4" },
+  { name = "gleam_community_colour", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "A49A5E3AE8B637A5ACBA80ECB9B1AFE89FD3D5351FF6410A42B84F666D40D7D5" },
+  { name = "gleam_erlang", version = "0.24.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "26BDB52E61889F56A291CB34167315780EE4AA20961917314446542C90D1C1A0" },
+  { name = "gleam_json", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "thoas"], otp_app = "gleam_json", source = "hex", outer_checksum = "8B197DD5D578EA6AC2C0D4BDC634C71A5BCA8E7DB5F47091C263ECB411A60DF3" },
+  { name = "gleam_otp", version = "0.10.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "0B04FE915ACECE539B317F9652CAADBBC0F000184D586AAAF2D94C100945D72B" },
+  { name = "gleam_stdlib", version = "0.36.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "C0D14D807FEC6F8A08A7C9EF8DFDE6AE5C10E40E21325B2B29365965D82EB3D4" },
+  { name = "glexer", version = "0.7.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "glexer", source = "hex", outer_checksum = "4484942A465482A0A100936E1E5F12314DB4B5AC0D87575A7B9E9062090B96BE" },
+  { name = "simplifile", version = "1.5.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "EB9AA8E65E5C1E3E0FDCFC81BC363FD433CB122D7D062750FFDF24DE4AC40116" },
+  { name = "thoas", version = "0.4.1", build_tools = ["rebar3"], requirements = [], otp_app = "thoas", source = "hex", outer_checksum = "4918D50026C073C4AB1388437132C77A6F6F7C8AC43C60C13758CC0ADCE2134E" },
+]
+
+[requirements]
+exercism_test_runner = { version = "~> 1.4" }
+gleam_bitwise = { version = "~> 1.2" }
+gleam_otp = { version = "~> 0.7 or ~> 1.0" }
+gleam_stdlib = { version = "~> 0.32 or ~> 1.0" }
+simplifile = { version = "~> 1.0" }

gleam/raindrops/src/raindrops.gleam

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+import gleam/int
+import gleam/list
+import gleam/string
+
+pub fn convert(number: Int) -> String {
+  let sounds =
+    [#(3, "Pling"), #(5, "Plang"), #(7, "Plong")]
+    |> list.filter(fn(pair) { number % pair.0 == 0 })
+    |> list.map(fn(pair) { pair.1 })
+    |> string.concat
+
+  case sounds {
+    "" -> int.to_string(number)
+    _ -> sounds
+  }
+}

gleam/raindrops/test/raindrops_test.gleam

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+import exercism/should
+import exercism/test_runner
+import raindrops
+
+pub fn main() {
+  test_runner.main()
+}
+
+pub fn the_sound_for_1_is_1_test() {
+  raindrops.convert(1)
+  |> should.equal("1")
+}
+
+pub fn the_sound_for_3_is_pling_test() {
+  raindrops.convert(3)
+  |> should.equal("Pling")
+}
+
+pub fn the_sound_for_5_is_plang_test() {
+  raindrops.convert(5)
+  |> should.equal("Plang")
+}
+
+pub fn the_sound_for_7_is_plong_test() {
+  raindrops.convert(7)
+  |> should.equal("Plong")
+}
+
+pub fn the_sound_for_6_is_pling_as_it_has_a_factor_3_test() {
+  raindrops.convert(6)
+  |> should.equal("Pling")
+}
+
+pub fn two_to_the_power_3_does_not_make_a_raindrop_sound_as_3_is_the_exponent_not_the_base_test() {
+  raindrops.convert(8)
+  |> should.equal("8")
+}
+
+pub fn the_sound_for_9_is_pling_as_it_has_a_factor_3_test() {
+  raindrops.convert(9)
+  |> should.equal("Pling")
+}
+
+pub fn the_sound_for_10_is_plang_as_it_has_a_factor_5_test() {
+  raindrops.convert(10)
+  |> should.equal("Plang")
+}
+
+pub fn the_sound_for_14_is_plong_as_it_has_a_factor_of_7_test() {
+  raindrops.convert(14)
+  |> should.equal("Plong")
+}
+
+pub fn the_sound_for_15_is_plingplang_as_it_has_factors_3_and_5_test() {
+  raindrops.convert(15)
+  |> should.equal("PlingPlang")
+}
+
+pub fn the_sound_for_21_is_plingplong_as_it_has_factors_3_and_7_test() {
+  raindrops.convert(21)
+  |> should.equal("PlingPlong")
+}
+
+pub fn the_sound_for_25_is_plang_as_it_has_a_factor_5_test() {
+  raindrops.convert(25)
+  |> should.equal("Plang")
+}
+
+pub fn the_sound_for_27_is_pling_as_it_has_a_factor_3_test() {
+  raindrops.convert(27)
+  |> should.equal("Pling")
+}
+
+pub fn the_sound_for_35_is_plangplong_as_it_has_factors_5_and_7_test() {
+  raindrops.convert(35)
+  |> should.equal("PlangPlong")
+}
+
+pub fn the_sound_for_49_is_plong_as_it_has_a_factor_7_test() {
+  raindrops.convert(49)
+  |> should.equal("Plong")
+}
+
+pub fn the_sound_for_52_is_52_test() {
+  raindrops.convert(52)
+  |> should.equal("52")
+}
+
+pub fn the_sound_for_105_is_plingplangplong_as_it_has_factors_3_5_and_7_test() {
+  raindrops.convert(105)
+  |> should.equal("PlingPlangPlong")
+}
+
+pub fn the_sound_for_3125_is_plang_as_it_has_a_factor_5_test() {
+  raindrops.convert(3125)
+  |> should.equal("Plang")
+}