[gleam] complete protein-translation

gleam/protein-translation/.gitignore

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

gleam/protein-translation/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/protein_translation.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/protein-translation/README.md

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+# Protein Translation
+
+Welcome to Protein Translation on Exercism's Gleam Track.
+If you need help running the tests or submitting your code, check out `HELP.md`.
+
+## Instructions
+
+Translate RNA sequences into proteins.
+
+RNA can be broken into three nucleotide sequences called codons, and then translated to a polypeptide like so:
+
+RNA: `"AUGUUUUCU"` => translates to
+
+Codons: `"AUG", "UUU", "UCU"`
+=> which become a polypeptide with the following sequence =>
+
+Protein: `"Methionine", "Phenylalanine", "Serine"`
+
+There are 64 codons which in turn correspond to 20 amino acids; however, all of the codon sequences and resulting amino acids are not important in this exercise.
+If it works for one codon, the program should work for all of them.
+However, feel free to expand the list in the test suite to include them all.
+
+There are also three terminating codons (also known as 'STOP' codons); if any of these codons are encountered (by the ribosome), all translation ends and the protein is terminated.
+
+All subsequent codons after are ignored, like this:
+
+RNA: `"AUGUUUUCUUAAAUG"` =>
+
+Codons: `"AUG", "UUU", "UCU", "UAA", "AUG"` =>
+
+Protein: `"Methionine", "Phenylalanine", "Serine"`
+
+Note the stop codon `"UAA"` terminates the translation and the final methionine is not translated into the protein sequence.
+
+Below are the codons and resulting Amino Acids needed for the exercise.
+
+| Codon              | Protein       |
+| :----------------- | :------------ |
+| AUG                | Methionine    |
+| UUU, UUC           | Phenylalanine |
+| UUA, UUG           | Leucine       |
+| UCU, UCC, UCA, UCG | Serine        |
+| UAU, UAC           | Tyrosine      |
+| UGU, UGC           | Cysteine      |
+| UGG                | Tryptophan    |
+| UAA, UAG, UGA      | STOP          |
+
+Learn more about [protein translation on Wikipedia][protein-translation].
+
+[protein-translation]: https://en.wikipedia.org/wiki/Translation_(biology)
+
+## Source
+
+### Created by
+
+- @lpil
+
+### Based on
+
+Tyler Long

gleam/protein-translation/gleam.toml

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+name = "protein_translation"
+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"
+gleam_erlang = ">= 0.25.0 and < 1.0.0"
+
+[dev-dependencies]
+exercism_test_runner = "~> 1.4"

gleam/protein-translation/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 = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
+  { 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_erlang = { version = ">= 0.25.0 and < 1.0.0"}
+gleam_otp = { version = "~> 0.7 or ~> 1.0" }
+gleam_stdlib = { version = "~> 0.32 or ~> 1.0" }
+simplifile = { version = "~> 1.0" }

gleam/protein-translation/src/protein_translation.gleam

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+import gleam/list
+
+pub fn proteins(rna: String) -> Result(List(String), Nil) {
+  translate(rna, [])
+}
+
+fn translate(rna: String, acc: List(String)) -> Result(List(String), Nil) {
+  case rna {
+    "AUG" <> rest -> translate(rest, ["Methionine", ..acc])
+    "UUU" <> rest | "UUC" <> rest -> translate(rest, ["Phenylalanine", ..acc])
+    "UUA" <> rest | "UUG" <> rest -> translate(rest, ["Leucine", ..acc])
+    "UCU" <> rest | "UCC" <> rest | "UCA" <> rest | "UCG" <> rest -> translate(rest, ["Serine", ..acc])
+    "UAU" <> rest | "UAC" <> rest -> translate(rest, ["Tyrosine", ..acc])
+    "UGU" <> rest | "UGC" <> rest -> translate(rest, ["Cysteine", ..acc])
+    "UGG" <> rest -> translate(rest, ["Tryptophan", ..acc])
+    "UAA" <> _ | "UAG" <> _ | "UGA" <> _ | "" -> Ok(list.reverse(acc))
+    _ -> Error(Nil)
+  }
+}

gleam/protein-translation/test/protein_translation_test.gleam

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+import exercism/should
+import exercism/test_runner
+import protein_translation
+
+pub fn main() {
+  test_runner.main()
+}
+
+pub fn empty_rna_sequence_results_in_no_proteins_test() {
+  ""
+  |> protein_translation.proteins
+  |> should.equal(Ok([]))
+}
+
+pub fn methione_rna_sequence_test() {
+  "AUG"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Methionine"]))
+}
+
+pub fn phenylalanine_rna_sequence_1_test() {
+  "UUU"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Phenylalanine"]))
+}
+
+pub fn phenylalanine_rna_sequence_2_test() {
+  "UUC"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Phenylalanine"]))
+}
+
+pub fn leucine_rna_sequence_1_test() {
+  "UUA"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Leucine"]))
+}
+
+pub fn leucine_rna_sequence_2_test() {
+  "UUG"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Leucine"]))
+}
+
+pub fn serine_rna_sequence_1_test() {
+  "UCU"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Serine"]))
+}
+
+pub fn serine_rna_sequence_2_test() {
+  "UCC"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Serine"]))
+}
+
+pub fn serine_rna_sequence_3_test() {
+  "UCA"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Serine"]))
+}
+
+pub fn serine_rna_sequence_4_test() {
+  "UCG"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Serine"]))
+}
+
+pub fn tyrosine_rna_sequence_1_test() {
+  "UAU"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Tyrosine"]))
+}
+
+pub fn tyrosine_rna_sequence_2_test() {
+  "UAC"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Tyrosine"]))
+}
+
+pub fn cysteine_rna_sequence_1_test() {
+  "UGU"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Cysteine"]))
+}
+
+pub fn cysteine_rna_sequence_2_test() {
+  "UGC"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Cysteine"]))
+}
+
+pub fn tryptophan_rna_sequence_test() {
+  "UGG"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Tryptophan"]))
+}
+
+pub fn stop_codon_rna_sequence_1_test() {
+  "UAA"
+  |> protein_translation.proteins
+  |> should.equal(Ok([]))
+}
+
+pub fn stop_codon_rna_sequence_2_test() {
+  "UAG"
+  |> protein_translation.proteins
+  |> should.equal(Ok([]))
+}
+
+pub fn stop_codon_rna_sequence_3_test() {
+  "UGA"
+  |> protein_translation.proteins
+  |> should.equal(Ok([]))
+}
+
+pub fn sequence_of_two_protein_codons_translates_into_proteins_test() {
+  "UUUUUU"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Phenylalanine", "Phenylalanine"]))
+}
+
+pub fn sequence_of_two_different_protein_codons_translates_into_proteins_test() {
+  "UUAUUG"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Leucine", "Leucine"]))
+}
+
+pub fn translate_rna_strand_into_correct_protein_list_test() {
+  "AUGUUUUGG"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Methionine", "Phenylalanine", "Tryptophan"]))
+}
+
+pub fn translation_stops_if_stop_codon_at_beginning_of_sequence_test() {
+  "UAGUGG"
+  |> protein_translation.proteins
+  |> should.equal(Ok([]))
+}
+
+pub fn translation_stops_if_stop_codon_at_end_of_two_codon_sequence_test() {
+  "UGGUAG"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Tryptophan"]))
+}
+
+pub fn translation_stops_if_stop_codon_at_end_of_three_codon_sequence_test() {
+  "AUGUUUUAA"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Methionine", "Phenylalanine"]))
+}
+
+pub fn translation_stops_if_stop_codon_in_middle_of_three_codon_sequence_test() {
+  "UGGUAGUGG"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Tryptophan"]))
+}
+
+pub fn non_existing_codon_cant_translate_test() {
+  "AAA"
+  |> protein_translation.proteins
+  |> should.equal(Error(Nil))
+}
+
+pub fn unknown_amino_acids_not_part_of_a_codon_cant_translate_test() {
+  "XYZ"
+  |> protein_translation.proteins
+  |> should.equal(Error(Nil))
+}
+
+pub fn incomplete_rna_sequence_cant_translate_test() {
+  "AUGU"
+  |> protein_translation.proteins
+  |> should.equal(Error(Nil))
+}
+
+pub fn translation_stops_if_stop_codon_in_middle_of_six_codon_sequence_test() {
+  "UGGUGUUAUUAAUGGUUU"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Tryptophan", "Cysteine", "Tyrosine"]))
+}
+
+pub fn incomplete_rna_sequence_can_translate_if_valid_until_a_stop_codon_test() {
+  "UUCUUCUAAUGGU"
+  |> protein_translation.proteins
+  |> should.equal(Ok(["Phenylalanine", "Phenylalanine"]))
+}