Dropped support declarations for unsupported Swift versions

Author: Joe Newton

.github/workflows/swift.yml

@@ -7,21 +7,12 @@ jobs:
     strategy:
       matrix:
         os: [macOS-latest, ubuntu-latest]
-        swift: ["5.0"]
     runs-on: ${{ matrix.os }}
-    env:
-      SWIFT_VERSION: ${{ matrix.swift }}
-      SWIFT_EXEC: .swiftenv/shims/swift
     steps:
     - uses: actions/checkout@v2
-    - name: Install Swift
-      run: |
-        git clone https://github.com/kylef/swiftenv.git ~/.swiftenv
-        ~/.swiftenv/bin/swiftenv install $SWIFT_VERSION
     - name: Build
       run: |
-        ~/$SWIFT_EXEC --version
-        ~/$SWIFT_EXEC build -v
+        swift build -v
     - name: Test
       run: |
-        ~/$SWIFT_EXEC test -v
+        swift test -v

Half.podspec

@@ -19,7 +19,7 @@ Pod::Spec.new do |s|
   s.source            = { :git => "https://github.com/SomeRandomiOSDev/Half.git", :tag => s.version.to_s }
   s.source_files      = 'Sources/**/*.{swift,h,c}'
   s.frameworks        = 'Foundation'
-  s.swift_versions    = ['4.0', '4.2', '5.0']
+  s.swift_versions    = ['5.0']
   s.cocoapods_version = '>= 1.7.3'
 
 end

Package.swift

@@ -23,5 +23,5 @@ let package = Package(
         .testTarget(name: "HalfTests", dependencies: ["Half"])
     ],
 
-    swiftLanguageVersions: [.version("4"), .version("4.2"), .version("5")]
+    swiftLanguageVersions: [.version("5")]
 )