feat: bring the Result Option types to crystal

Author: initdc

.ameba.yml

@@ -0,0 +1,109 @@
+Style/ArrayLiteralSyntax:
+  Enabled: false
+
+Style/GuardClause:
+  Enabled: false
+
+Style/HashLiteralSyntax:
+  Enabled: false
+
+Style/HeredocEscape:
+  Enabled: true
+
+Style/HeredocIndent:
+  Enabled: true
+  IndentBy: 0
+
+Style/IsAFilter:
+  Enabled: false
+  FilterNames:
+    - select
+    - reject
+    - any?
+    - all?
+    - none?
+    - one?
+
+Style/IsANil:
+  Enabled: true
+
+Style/LargeNumbers:
+  Enabled: true
+  IntMinDigits: 5
+
+Style/MultilineCurlyBlock:
+  Enabled: false
+
+Style/MultilineStringLiteral:
+  Enabled: false
+  AllowBackslashSplitStrings: false
+
+Style/NegatedConditionsInUnless:
+  Enabled: true
+
+Style/ParenthesesAroundCondition:
+  Enabled: true
+  ExcludeTernary: true
+  ExcludeMultiline: true
+  AllowSafeAssignment: true
+
+Style/PercentLiteralDelimiters:
+  Enabled: true
+  DefaultDelimiters: "()"
+  PreferredDelimiters:
+    "%w": "[]"
+    "%W": "[]"
+    "%i": "[]"
+    "%I": "[]"
+    "%r": "{}"
+    "%x": "()"
+  IgnoreLiteralsContainingDelimiters: false
+
+Style/RedundantBegin:
+  Enabled: true
+
+Style/RedundantNext:
+  Enabled: true
+  AllowMultiNext: false
+  AllowEmptyNext: true
+
+Style/RedundantNilInControlExpression:
+  Enabled: false
+
+Style/RedundantReturn:
+  Enabled: false
+
+Style/RedundantSelf:
+  Enabled: false
+  AllowedMethodNames:
+    - in?
+    - inspect
+    - not_nil!
+
+Style/UnlessElse:
+  Enabled: true
+
+Style/VerboseBlock:
+  Enabled: false
+  ExcludeMultipleLineBlocks: true
+  ExcludeCallsWithBlock: true
+  ExcludePrefixOperators: true
+  ExcludeOperators: true
+  ExcludeSetters: false
+  MaxLineLength: ~
+  MaxLength: ~
+
+Style/WhileTrue:
+  Enabled: false
+
+Lint/UnusedArgument:
+  Enabled: false
+
+Lint/UnusedBlockArgument:
+  Enabled: false
+
+Lint/ShadowingOuterLocalVar:
+  Enabled: false
+
+Naming/PredicateName:
+  Enabled: false

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*.cr]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true

.github/workflows/matrix-test.yml

@@ -0,0 +1,34 @@
+name: Matrix Test
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+      - master
+      - dev
+
+concurrency:
+  group: ${{ github.sha }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        crystal:
+          - 1.0.0
+          - latest
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download source
+        uses: actions/checkout@v4
+      - name: Install Crystal
+        uses: crystal-lang/install-crystal@v1
+        with:
+          crystal: ${{ matrix.crystal }}
+      - name: Install shards
+        run: shards update --ignore-crystal-version
+      - name: Run tests
+        run: crystal spec --verbose

.gitignore

@@ -0,0 +1,10 @@
+/docs/
+/lib/
+/bin/
+/.shards/
+*.dwarf
+
+# Libraries don't need dependency lock
+# Dependencies will be locked in applications that use them
+/shard.lock
+*.rs