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-# Bytes
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+# Bytes
+
+`Bytes` aims to be your go-to Swift library for transforming basic types to and from buffers of bytes that can be serialized and written to the network, a file, or a database.
+
+## Installation
+
+Add `Bytes` as a dependency in your `Package.swift` file to start using it. Then, add `import Bytes` to any file you wish to use the library in.
+
+```swift
+dependencies: [
+    .package(url: "https://github.com/mochidev/Bytes.git", from: "0.1.0"),
+]
+```
+
+## What is `Bytes`?
+
+`Bytes` is a type alias for `[UInt8]`, which means you can use them anywhere a buffer of bytes would be expected. Although extensions on `Int`, `String`, `UUID`, and even enumerations are provided, this library ultimately lets you transform any fixed-size structure to and from `Bytes`:
+
+```swift
+struct Example {
+    let a: UInt8
+    let b: UInt8
+}
+
+func methodThatTakesExample(_ example: Example) { ... }
+
+let example = Example(a: 1, b: 2)
+let bytes = Bytes(casting: example) // [0x01, 0x02]
+let backToExample = try bytes.casting(to: Example.self) // Type is explicit
+methodThatTakesExample(try bytes.casting()) // Type is inferred from context
+```
+
+### Integers
+
+When working with integers, it is preferable to use the `bigEndianBytes`/ `littleEndianBytes` and  `init(bigEndianBytes: Bytes)`/`init(littleEndianBytes: Bytes)` integer-specific properties and initializers when possible, as they will be guaranteed to be cross platform (casting will always use the byte-order native to system memory). Integer overrides are available for all integer types: `Int8`, `UInt8`, `Int16`, `UInt16`, `Int32`, `UInt32`, `Int64`, and `UInt64`. Using `Int` and `UInt` for serialization is not recommended, as they are different sizes on different platforms. 
+
+### Strings
+
+To make working with Strings and Characters easy and unambiguous, `utf8Bytes` and `init(utf8Bytes: Bytes)` are available. These are _not_ `null`-terminated, though you can achieve that quite easily: `"Hello".utf8Bytes + [0]`.
+
+### UUIDs
+
+UUIDs support serialization in both compact byte form (`bytes` and `init(bytes: Bytes)`), and human-readable string form (`stringBytes` and `init(stringBytes: Bytes)`)
+
+### Enums, OptionSets, and `RawRepresentable`
+
+Enums and other types that conform to `RawRepresentable` are also supported out of the box via `rawBytes` and `init(rawBytes: Bytes)`. Types who's `RawType` is an Integer or String/Character can also use the above getters and initializers.
+
+### Collections of Integers, UUIDs, Enums, and other Fixed-Size Types
+
+An array or set of Integers can be serialized using `bigEndianBytes`/ `littleEndianBytes`, and initialized using `init(bigEndianBytes: Bytes)`/`init(littleEndianBytes: Bytes)`. The same can be done with collections of UUIDs and `RawRepresentable` enums by using the APIs specific to their types.
+
+### Complex Example
+
+Since `Bytes` is just an array, all the methods you are used to are available, including working with slices. If you are working with more complex serialization, consider the example below:
+
+```swift
+struct Versionstamp {
+    let transactionCommitVersion: UInt64
+    let batchNumber: UInt16
+    var userData: UInt16?
+    
+    public init(transactionCommitVersion: UInt64, batchNumber: UInt16, userData: UInt16? = nil) {
+        self.transactionCommitVersion = transactionCommitVersion
+        self.batchNumber = batchNumber
+        self.userData = userData
+    }
+
+    var bytes: Bytes {
+        var result = Bytes()
+        result.reserveCapacity(userData == nil ? 10 : 12)
+        
+        result.append(contentsOf: transactionCommitVersion.bigEndianBytes)
+        result.append(contentsOf: batchNumber.bigEndianBytes)
+        
+        if let userData = userData {
+            result.append(contentsOf: userData.bigEndianBytes)
+        }
+        
+        return result
+    }
+    
+    init<Bytes: BytesCollection>(_ bytes: Bytes?) throws {
+        guard let bytes = bytes, bytes.count == 10 || bytes.count == 12 else {
+            throw Error.invalidVersionstamp
+        }
+        
+        let transactionCommitVersion = try! UInt64(bigEndianBytes: bytes[0..<8])
+        let batchNumber = try! UInt16(bigEndianBytes: bytes[8..<10])
+        var userData: UInt16?
+        
+        if bytes.count == 12 {
+            userData = try! UInt16(bigEndianBytes: bytes[10..<12])
+        }
+        
+        self.init(transactionCommitVersion: transactionCommitVersion, batchNumber: batchNumber, userData: userData)
+    }
+}
+```
+
+## Contributing
+
+Contribution is welcome! Please take a look at the issues already available, or start a new issue to discuss a new feature. Although guaranteed can't be made regarding feature requests, PRs that fit with the goals of the project and that have been discussed before hand are more than welcome!
+
+Please make sure that all submissions have clean commit histories, are well documented, and thoroughly tested. Please rebase your PR before submission rather than merge in `main`. Linear histories are required.