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[Swift] Inline arrays (#8755)

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Implements InlineArrays which allow us to use Flatbuffers arrays within
Structs natively, and also implements FlatbufferVectors as a secondary API
when using mutable Structs

Fixes mutations within fixed sizes arrays

Adds tests and remove inout and mutating from generated objects in favor of borrowing

---------

Co-authored-by: Wouter van Oortmerssen <aardappel@gmail.com>
This commit is contained in:
mustiikhalil
2025-11-15 00:33:16 +01:00
committed by GitHub
parent 7150dfb5c4
commit cbf0850828
18 changed files with 995 additions and 359 deletions
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17
tests/swift/Tests/Flatbuffers/MutatingBool_generated.swift
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@@ -15,8 +15,7 @@ public struct Property: NativeStruct, FlatbuffersVectorInitializable, Verifiable
private var _property: Bool
public init(_ bb: ByteBuffer, o: Int32) {
let _accessor = Struct(bb: bb, position: o)
_property = _accessor.readBuffer(of: Bool.self, at: 0)
self = bb.read(def: Self.self, position: Int(o))
}
public init(property: Bool) {
@@ -27,7 +26,7 @@ public struct Property: NativeStruct, FlatbuffersVectorInitializable, Verifiable
_property = false
}
public init(_ _t: inout Property_Mutable) {
public init(_ _t: borrowing Property_Mutable) {
_property = _t.property
}
@@ -61,10 +60,9 @@ public struct Property_Mutable: FlatBufferStruct, FlatbuffersVectorInitializable
public var property: Bool { return _accessor.readBuffer(of: Bool.self, at: 0) }
@discardableResult public func mutate(property: Bool) -> Bool { return _accessor.mutate(property, index: 0) }
public mutating func unpack() -> Property {
return Property(&self)
public func unpack() -> Property {
return Property(self)
}
public static func pack(_ builder: inout FlatBufferBuilder, obj: inout Property?) -> Offset {
guard var obj = obj else { return Offset() }
@@ -104,10 +102,9 @@ public struct TestMutatingBool: FlatBufferTable, FlatbuffersVectorInitializable,
TestMutatingBool.add(b: b, &fbb)
return TestMutatingBool.endTestMutatingBool(&fbb, start: __start)
}
public mutating func unpack() -> TestMutatingBoolT {
return TestMutatingBoolT(&self)
public func unpack() -> TestMutatingBoolT {
return TestMutatingBoolT(self)
}
public static func pack(_ builder: inout FlatBufferBuilder, obj: inout TestMutatingBoolT?) -> Offset {
guard var obj = obj else { return Offset() }
@@ -142,7 +139,7 @@ public class TestMutatingBoolT: NativeObject {
public var b: Property?
public init(_ _t: inout TestMutatingBool) {
public init(_ _t: borrowing TestMutatingBool) {
b = _t.b
}