Initial bits for Beat - a package for diddling .beat time

https://www.swatch.com/en_us/internet-time

.gitignore

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+.DS_Store
+/.build
+/Packages
+/*.xcodeproj

Package.swift

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+// swift-tools-version:5.1
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "Beat",
+    products: [
+        // Products define the executables and libraries produced by a package, and make them visible to other packages.
+        .library(
+            name: "Beat",
+            targets: ["Beat"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages which this package depends on.
+        .target(
+            name: "Beat",
+            dependencies: []),
+        .testTarget(
+            name: "BeatTests",
+            dependencies: ["Beat"]),
+    ]
+)

README.md

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+# Beat
+
+Library for printing time in Swatch .beat time.
+
+More info [here](https://www.swatch.com/en_us/internet-time).

Sources/Beat/Beat.swift

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+import Foundation
+
+public struct Beat {
+    fileprivate var db: Int
+    public init(_ epoch: Double) {
+        let utc_1 = Int(epoch + 3600)
+        let r = utc_1%86400
+        self.db = (Int(Double(r)/86.4))
+    }
+
+    public func int() -> Int {
+        return db
+    }
+    
+    public func text() -> String {
+        return "\(db)"
+    }
+}

Tests/BeatTests/BeatTests.swift

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+import XCTest
+@testable import Beat
+
+final class BeatTests: XCTestCase {
+    func testBeat() {
+        let t = 1564181796.96353
+        let b = Beat(t)
+        
+        XCTAssertGreaterThan(b.int(), 0)
+        XCTAssertLessThan(b.int(), 1000)
+        XCTAssertEqual(b.text(), "997")
+    }
+
+    static var allTests = [
+        ("testBeat", testBeat),
+    ]
+}

Tests/BeatTests/XCTestManifests.swift

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+import XCTest
+
+#if !canImport(ObjectiveC)
+public func allTests() -> [XCTestCaseEntry] {
+    return [
+        testCase(BeatTests.allTests),
+    ]
+}
+#endif

Tests/LinuxMain.swift

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+import XCTest
+
+import BeatTests
+
+var tests = [XCTestCaseEntry]()
+tests += BeatTests.allTests()
+XCTMain(tests)