gbf @ e16a0c8

A .github/workflows/test.yml

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+name: test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: erlef/setup-beam@v1
+        with:
+          otp-version: "27.1.2"
+          gleam-version: "1.12.0"
+          rebar3-version: "3"
+      - run: gleam deps download
+      - run: gleam test
+      - run: gleam format --check src test

A .gitignore

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

A README.md

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+# gbf
+
+[![Package Version](https://img.shields.io/hexpm/v/gbf)](https://hex.pm/packages/gbf)
+[![Hex Docs](https://img.shields.io/badge/hex-docs-ffaff3)](https://hexdocs.pm/gbf/)
+
+```sh
+gleam add gbf@1
+```
+```gleam
+import gbf
+
+pub fn main() -> Nil {
+  // TODO: An example of the project in use
+}
+```
+
+Further documentation can be found at <https://hexdocs.pm/gbf>.
+
+## Development
+
+```sh
+gleam run   # Run the project
+gleam test  # Run the tests
+```

A gleam.toml

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+name = "gbf"
+version = "1.0.0"
+
+# Fill out these fields if you intend to generate HTML documentation or publish
+# your project to the Hex package manager.
+#
+# description = ""
+# licences = ["Apache-2.0"]
+# repository = { type = "github", user = "", repo = "" }
+# links = [{ title = "Website", href = "" }]
+#
+# For a full reference of all the available options, you can have a look at
+# https://gleam.run/writing-gleam/gleam-toml/.
+
+[dependencies]
+gleam_stdlib = ">= 0.44.0 and < 2.0.0"
+
+[dev-dependencies]
+gleeunit = ">= 1.0.0 and < 2.0.0"

A manifest.toml

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+# This file was generated by Gleam
+# You typically do not need to edit this file
+
+packages = [
+  { name = "gleam_stdlib", version = "0.65.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "7C69C71D8C493AE11A5184828A77110EB05A7786EBF8B25B36A72F879C3EE107" },
+  { name = "gleeunit", version = "1.6.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "FDC68A8C492B1E9B429249062CD9BAC9B5538C6FBF584817205D0998C42E1DAC" },
+]
+
+[requirements]
+gleam_stdlib = { version = ">= 0.44.0 and < 2.0.0" }
+gleeunit = { version = ">= 1.0.0 and < 2.0.0" }

A src/gbf.gleam

Not showing binary file.

A src/gbf/token.gleam

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+pub type Token {
+  /// Everything that is not one of the tokens below, considered the be a comment
+  Comment
+
+  /// Increment the data pointer by one (to point to the next cell to the right).
+  /// `>` symbol
+  IncrementPointer
+
+  /// Decrement the data pointer by one (to point to the next cell to the left).
+  /// `<` symbol
+  DecrementPointer
+
+  /// Increment the byte at the data pointer by one.
+  /// `+` symbol
+  IncrementByte
+
+  /// Decrement the byte at the data pointer by one.
+  /// `-` symbol
+  DecrementByte
+
+  /// Output the byte at the data pointer.
+  /// `.` symbol
+  OutputByte
+
+  /// Accept one byte of input, storing its value in the byte at the data pointer.
+  /// `,` symbol
+  InputByte
+
+  /// If the byte at the data pointer is zero, then instead of moving the instruction pointer forward to the next command, jump it forward to the command after the matching ] command.
+  /// `[` symbol
+  StartBlock
+
+  /// If the byte at the data pointer is nonzero, then instead of moving the instruction pointer forward to the next command, jump it back to the command after the matching [ command.
+  /// `]` symbol
+  EndBlock
+
+  /// End of file
+  EOF
+}

A test/gbf_test.gleam

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+import gleeunit
+
+pub fn main() -> Nil {
+  gleeunit.main()
+}
+
+// gleeunit test functions end in `_test`
+pub fn hello_world_test() {
+  let name = "Joe"
+  let greeting = "Hello, " <> name <> "!"
+
+  assert greeting == "Hello, Joe!"
+}