cdricms/swift-units
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Energy units

Browse Source
This commit is contained in:
cdricms
2025-09-02 21:09:42 +02:00
parent 3d19cd6252
commit 0962ae2900
1 changed files with 26 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
Sources/Units/Units.swift
View File

@@ -33,6 +33,7 @@ public enum UnitCategory: String, CaseIterable, CustomStringConvertible,
case time
case temperature
case speed
case energy
// Add more categories as needed
public var description: String {
@@ -102,6 +103,11 @@ public enum Unit: String, CaseIterable, CustomStringConvertible, Codable,
case milesPerHour = "mph"
case knots = "kn"
// MARK: Energy units
case joule = "J"
case kilocalorie = "kcal"
case kilojoule = "kJ"
public var category: UnitCategory {
switch self {
case .kilogram, .gram, .milligram, .microgram, .pound, .ounce,
@@ -119,6 +125,8 @@ public enum Unit: String, CaseIterable, CustomStringConvertible, Codable,
case .celsius, .fahrenheit, .kelvin: return .temperature
case .metersPerSecond, .kilometersPerHour, .milesPerHour, .knots:
return .speed
case .kilocalorie, .kilojoule, .joule:
return .energy
}
}
@@ -173,6 +181,12 @@ public enum Unit: String, CaseIterable, CustomStringConvertible, Codable,
case .kilometersPerHour: 1000.0 / 3600.0
case .milesPerHour: 1609.344 / 3600.0
case .knots: 0.514444
// Energy (Base: Joule)
case .joule: 1.0
case .kilojoule: 1000.0
case .kilocalorie: 4184.0
}
}
@@ -420,6 +434,7 @@ extension UnitCategory {
case .time: return .second
case .temperature: return .celsius
case .speed: return .metersPerSecond
case .energy: return .joule
}
}
}
@@ -484,6 +499,11 @@ extension ConvertibleToDouble {
public var mph: UnitValue<Self> { .init(value: self, unit: .milesPerHour) }
public var kn: UnitValue<Self> { .init(value: self, unit: .knots) }
// MARK: Energy Initializers
public var J: UnitValue<Self> { .init(value: self, unit: .joule) }
public var kJ: UnitValue<Self> { .init(value: self, unit: .kilojoule) }
public var kcal: UnitValue<Self> { .init(value: self, unit: .kilocalorie) }
// MARK: - Subscripts for Numeric
/// Allows creating a UnitValue directly from a numeric literal using a Unit enum case.
/// Example: `10[.kg]`
@@ -557,6 +577,12 @@ extension UnitValue where ValueType: ConvertibleToDouble { // Apply constraints
public var kmh: UnitValue<Double>? { converted(to: .kilometersPerHour) }
public var mph: UnitValue<Double>? { converted(to: .milesPerHour) }
public var kn: UnitValue<Double>? { converted(to: .knots) }
// MARK: Energy Conversions
public var J: UnitValue<Double>? { converted(to: .joule) }
public var kJ: UnitValue<Double>? { converted(to: .kilojoule) }
public var kcal: UnitValue<Double>? { converted(to: .kilocalorie) }
}
// MARK: - Height Conversion Extensions