From d9fad22d66a8a69fc31ef3bdd8487e5145df8ae8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jo=C3=A3o=20Fernandes?= Date: Sat, 20 Apr 2024 10:06:02 -0300 Subject: [PATCH] [gleam] complete high-school-sweetheart --- gleam/high-school-sweetheart/.gitignore | 4 + gleam/high-school-sweetheart/HELP.md | 32 +++++ gleam/high-school-sweetheart/HINTS.md | 30 +++++ gleam/high-school-sweetheart/README.md | 127 ++++++++++++++++++ gleam/high-school-sweetheart/gleam.toml | 12 ++ gleam/high-school-sweetheart/manifest.toml | 27 ++++ .../src/high_school_sweetheart.gleam | 43 ++++++ .../test/high_school_sweetheart_test.gleam | 59 ++++++++ 8 files changed, 334 insertions(+) create mode 100644 gleam/high-school-sweetheart/.gitignore create mode 100644 gleam/high-school-sweetheart/HELP.md create mode 100644 gleam/high-school-sweetheart/HINTS.md create mode 100644 gleam/high-school-sweetheart/README.md create mode 100644 gleam/high-school-sweetheart/gleam.toml create mode 100644 gleam/high-school-sweetheart/manifest.toml create mode 100644 gleam/high-school-sweetheart/src/high_school_sweetheart.gleam create mode 100644 gleam/high-school-sweetheart/test/high_school_sweetheart_test.gleam diff --git a/gleam/high-school-sweetheart/.gitignore b/gleam/high-school-sweetheart/.gitignore new file mode 100644 index 0000000..170cca9 --- /dev/null +++ b/gleam/high-school-sweetheart/.gitignore @@ -0,0 +1,4 @@ +*.beam +*.ez +build +erl_crash.dump diff --git a/gleam/high-school-sweetheart/HELP.md b/gleam/high-school-sweetheart/HELP.md new file mode 100644 index 0000000..3d3461c --- /dev/null +++ b/gleam/high-school-sweetheart/HELP.md @@ -0,0 +1,32 @@ +# 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/high_school_sweetheart.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. \ No newline at end of file diff --git a/gleam/high-school-sweetheart/HINTS.md b/gleam/high-school-sweetheart/HINTS.md new file mode 100644 index 0000000..70340bc --- /dev/null +++ b/gleam/high-school-sweetheart/HINTS.md @@ -0,0 +1,30 @@ +# Hints + +## General + +- Browse the [functions available in the _string module_][string-module-functions] to discover which operations on strings Gleam's standard library offers. + +## 1. Get the name's first letter + +- There is a [function][string-first] to get the first character from a string. +- There are multiple [functions][string-trim] to remove leading, trailing, or leading and trailing whitespaces from a string. + +## 2. Format the first letter as an initial + +- There is a [function][string-upcase] to convert all characters in a string to their uppercase variant. +- The `<>` operator can be used to concatenate strings. + +## 3. Split the full name into the first name and the last name + +- There is a [function][string-split] that splits a string on whitespace characters. +- A few first elements of a list can be assigned to variables by pattern matching on the list. + +## 4. Put the initials inside of the heart + +- The `<>` operator can be used to concatenate strings. + +[string-module-functions]: https://hexdocs.pm/gleam_stdlib/gleam/string.html +[string-first]: https://hexdocs.pm/gleam_stdlib/gleam/string.html#first +[string-trim]: https://hexdocs.pm/gleam_stdlib/gleam/string.html#trim +[string-upcase]: https://hexdocs.pm/gleam_stdlib/gleam/string.html#uppercase +[string-split]: https://hexdocs.pm/gleam_stdlib/gleam/string.html#split \ No newline at end of file diff --git a/gleam/high-school-sweetheart/README.md b/gleam/high-school-sweetheart/README.md new file mode 100644 index 0000000..552b4fc --- /dev/null +++ b/gleam/high-school-sweetheart/README.md @@ -0,0 +1,127 @@ +# High School Sweetheart + +Welcome to High School Sweetheart on Exercism's Gleam Track. +If you need help running the tests or submitting your code, check out `HELP.md`. +If you get stuck on the exercise, check out `HINTS.md`, but try and solve it without using those first :) + +## Introduction + +## Pipe Operator + +The `|>` operator is called the pipe operator. It can be used to chain function calls together in such a way that the value returned by the previous function call is passed to the next function call. + +```gleam +"hello" +|> string.uppercase +|> string.append("?!") +// -> "HELLO?!" +``` + +The above code is equivalent to the following: + +```gleam +string.append(string.uppercase("hello"), "?!") +``` + +The pipe operator will either pass the value as the first argument to the function call, or the only argument to a new call, selecting whichever would have the correct type. + +```gleam +100 +|> function_that_takes_two_arguments(1) + +// Is equivalent to +function_that_takes_two_arguments(100, 1) +``` + +```gleam +100 +|> function_that_returns_a_function(1) + +// Is equivalent to +function_that_returns_a_function(1)(100) +``` + +Sometimes we want to pass the value into another position, in this case the `_` placeholder can be used to indicate where the value should be inserted. + +```gleam +100 +|> some_function(1, _, 2) +``` + +## Instructions + +In this exercise, you are going to help high school sweethearts profess their love on social media by generating an ASCII heart with their initials: + +``` + ****** ****** + ** ** ** ** + ** ** ** ** +** * ** +** ** +** J. K. + M. B. ** + ** ** + ** ** + ** ** + ** ** + ** ** + ** ** + *** + * +``` + +## 1. Get the name's first letter + +Implement the `first_letter` function. It should take a name and return its first letter. It should clean up any unnecessary whitespace from the name. + +```gleam +first_letter("Jane") +// -> "J" +``` + +## 2. Format the first letter as an initial + +Implement the `initial` function. It should take a name and return its first letter, uppercase, followed by a dot. Make sure to reuse `first_letter` that you defined in the previous step. + +```gleam +initial("Robert") +// -> "R." +``` + +## 3. Split the full name into the first name and the last name + +Implement the `initials` function. It should take a full name, consisting of a first name and a last name separated by a space, and return the initials. Make sure to reuse `initial` that you defined in the previous step. + +```gleam +initials("Lance Green") +// -> "L. G." +``` + +## 4. Put the initials inside of the heart + +Implement the `pair` function. It should take two full names and return the initials inside an ASCII heart. Make sure to reuse `initials` that you defined in the previous step. + +```gleam +pair("Blake Miller", "Riley Lewis") +// -> " +// ****** ****** +// ** ** ** ** +// ** ** ** ** +// ** * ** +// ** ** +// ** B. M. + R. L. ** +// ** ** +// ** ** +// ** ** +// ** ** +// ** ** +// ** ** +// *** +// * +// " +``` + +## Source + +### Created by + +- @lpil \ No newline at end of file diff --git a/gleam/high-school-sweetheart/gleam.toml b/gleam/high-school-sweetheart/gleam.toml new file mode 100644 index 0000000..728f8c3 --- /dev/null +++ b/gleam/high-school-sweetheart/gleam.toml @@ -0,0 +1,12 @@ +name = "high_school_sweetheart" +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" diff --git a/gleam/high-school-sweetheart/manifest.toml b/gleam/high-school-sweetheart/manifest.toml new file mode 100644 index 0000000..072155d --- /dev/null +++ b/gleam/high-school-sweetheart/manifest.toml @@ -0,0 +1,27 @@ +# 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" } diff --git a/gleam/high-school-sweetheart/src/high_school_sweetheart.gleam b/gleam/high-school-sweetheart/src/high_school_sweetheart.gleam new file mode 100644 index 0000000..22dc89e --- /dev/null +++ b/gleam/high-school-sweetheart/src/high_school_sweetheart.gleam @@ -0,0 +1,43 @@ +import gleam/list +import gleam/result +import gleam/string + +pub fn first_letter(name: String) { + name + |> string.trim + |> string.first + |> result.unwrap("?") +} + +pub fn initial(name: String) { + name + |> first_letter + |> string.uppercase + |> string.append(".") +} + +pub fn initials(full_name: String) { + full_name + |> string.split(" ") + |> list.map(initial) + |> string.join(" ") +} + +pub fn pair(full_name1: String, full_name2: String) { + " + ****** ****** + ** ** ** ** + ** ** ** ** +** * ** +** ** +** " <> initials(full_name1) <> " + " <> initials(full_name2) <> " ** + ** ** + ** ** + ** ** + ** ** + ** ** + ** ** + *** + * +" +} diff --git a/gleam/high-school-sweetheart/test/high_school_sweetheart_test.gleam b/gleam/high-school-sweetheart/test/high_school_sweetheart_test.gleam new file mode 100644 index 0000000..9a688f0 --- /dev/null +++ b/gleam/high-school-sweetheart/test/high_school_sweetheart_test.gleam @@ -0,0 +1,59 @@ +import exercism/should +import exercism/test_runner +import high_school_sweetheart + +pub fn main() { + test_runner.main() +} + +pub fn first_letter_test() { + high_school_sweetheart.first_letter("Mary") + |> should.equal("M") +} + +pub fn first_letter_does_not_change_case_test() { + high_school_sweetheart.first_letter("john") + |> should.equal("j") +} + +pub fn first_letter_removes_whitespace_test() { + high_school_sweetheart.first_letter("\n\t Sarah ") + |> should.equal("S") +} + +pub fn initial_test() { + high_school_sweetheart.initial("Betty") + |> should.equal("B.") +} + +pub fn initial_uppercases_letter_test() { + high_school_sweetheart.initial("james") + |> should.equal("J.") +} + +pub fn initials_test() { + high_school_sweetheart.initials("Linda Miller") + |> should.equal("L. M.") +} + +pub fn pair_test() { + high_school_sweetheart.pair("Avery Bryant", "Charlie Dixon") + |> should.equal( + " + ****** ****** + ** ** ** ** + ** ** ** ** +** * ** +** ** +** A. B. + C. D. ** + ** ** + ** ** + ** ** + ** ** + ** ** + ** ** + *** + * +", + ) +}