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[Swift] Adds new API to reduce memory copying within swift (#8484)

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* Adds new API to reduce memory copying within swift

Adds new storage container _InternalByteBuffer which
will be holding the data that will be created within the swift
lib, however reading data will be redirected to ByteBuffer, which
should be able to handle all types of data that swift provide without
the need to copy the data itself. This is due to holding a reference to
the data.

Replaces assumingMemoryBinding with bindMemory which is safer

Adds function that provides access to a UnsafeBufferPointer for
scalars and NativeStructs within swift

Updates docs

Suppress compilation warnings by replacing var with let

Using overflow operators within swift to improve performance

Adds tests for GRPC message creation from a retained _InternalByteBuffer
This commit is contained in:
mustiikhalil
2025-03-18 07:48:39 +01:00
committed by GitHub
parent 1c514626e8
commit bd1b2d0baf
29 changed files with 1470 additions and 463 deletions
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21
tests/swift/Wasm.tests/Tests/FlatBuffers.Test.Swift.WasmTests/monster_test_generated.swift
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@@ -906,7 +906,7 @@ public struct MyGame_Example_Stat: FlatBufferObject, Verifiable, ObjectAPIPacker
}
public static func sortVectorOfStat(offsets:[Offset], _ fbb: inout FlatBufferBuilder) -> Offset {
var off = offsets
off.sort { Table.compare(Table.offset(Int32($1.o), vOffset: 8, fbb: fbb.buffer), Table.offset(Int32($0.o), vOffset: 8, fbb: fbb.buffer), fbb: fbb.buffer) < 0 }
off.sort { Table.compare(Table.offset(Int32($1.o), vOffset: 8, fbb: &fbb), Table.offset(Int32($0.o), vOffset: 8, fbb: &fbb), fbb: &fbb) < 0 }
return fbb.createVector(ofOffsets: off)
}
fileprivate static func lookupByKey(vector: Int32, key: UInt16, fbb: ByteBuffer) -> MyGame_Example_Stat? {
@@ -1033,7 +1033,7 @@ public struct MyGame_Example_Referrable: FlatBufferObject, Verifiable, ObjectAPI
}
public static func sortVectorOfReferrable(offsets:[Offset], _ fbb: inout FlatBufferBuilder) -> Offset {
var off = offsets
off.sort { Table.compare(Table.offset(Int32($1.o), vOffset: 4, fbb: fbb.buffer), Table.offset(Int32($0.o), vOffset: 4, fbb: fbb.buffer), fbb: fbb.buffer) < 0 }
off.sort { Table.compare(Table.offset(Int32($1.o), vOffset: 4, fbb: &fbb), Table.offset(Int32($0.o), vOffset: 4, fbb: &fbb), fbb: &fbb) < 0 }
return fbb.createVector(ofOffsets: off)
}
fileprivate static func lookupByKey(vector: Int32, key: UInt64, fbb: ByteBuffer) -> MyGame_Example_Referrable? {
@@ -1197,6 +1197,7 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
public func inventory(at index: Int32) -> UInt8 { let o = _accessor.offset(VTOFFSET.inventory.v); return o == 0 ? 0 : _accessor.directRead(of: UInt8.self, offset: _accessor.vector(at: o) + index * 1) }
public var inventory: [UInt8] { return _accessor.getVector(at: VTOFFSET.inventory.v) ?? [] }
public func mutate(inventory: UInt8, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.inventory.v); return _accessor.directMutate(inventory, index: _accessor.vector(at: o) + index * 1) }
public func withUnsafePointerToInventory<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.inventory.v, body: body) }
public var color: MyGame_Example_Color { let o = _accessor.offset(VTOFFSET.color.v); return o == 0 ? .blue : MyGame_Example_Color(rawValue: _accessor.readBuffer(of: UInt8.self, at: o)) ?? .blue }
@discardableResult public func mutate(color: MyGame_Example_Color) -> Bool {let o = _accessor.offset(VTOFFSET.color.v); return _accessor.mutate(color.rawValue, index: o) }
public var testType: MyGame_Example_Any_ { let o = _accessor.offset(VTOFFSET.testType.v); return o == 0 ? .none_ : MyGame_Example_Any_(rawValue: _accessor.readBuffer(of: UInt8.self, at: o)) ?? .none_ }
@@ -1205,6 +1206,7 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
public var test4Count: Int32 { let o = _accessor.offset(VTOFFSET.test4.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func test4(at index: Int32) -> MyGame_Example_Test? { let o = _accessor.offset(VTOFFSET.test4.v); return o == 0 ? nil : _accessor.directRead(of: MyGame_Example_Test.self, offset: _accessor.vector(at: o) + index * 4) }
public func mutableTest4(at index: Int32) -> MyGame_Example_Test_Mutable? { let o = _accessor.offset(VTOFFSET.test4.v); return o == 0 ? nil : MyGame_Example_Test_Mutable(_accessor.bb, o: _accessor.vector(at: o) + index * 4) }
public func withUnsafePointerToTest4<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.test4.v, body: body) }
public var hasTestarrayofstring: Bool { let o = _accessor.offset(VTOFFSET.testarrayofstring.v); return o == 0 ? false : true }
public var testarrayofstringCount: Int32 { let o = _accessor.offset(VTOFFSET.testarrayofstring.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func testarrayofstring(at index: Int32) -> String? { let o = _accessor.offset(VTOFFSET.testarrayofstring.v); return o == 0 ? nil : _accessor.directString(at: _accessor.vector(at: o) + index * 4) }
@@ -1220,6 +1222,7 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
public func testnestedflatbuffer(at index: Int32) -> UInt8 { let o = _accessor.offset(VTOFFSET.testnestedflatbuffer.v); return o == 0 ? 0 : _accessor.directRead(of: UInt8.self, offset: _accessor.vector(at: o) + index * 1) }
public var testnestedflatbuffer: [UInt8] { return _accessor.getVector(at: VTOFFSET.testnestedflatbuffer.v) ?? [] }
public func mutate(testnestedflatbuffer: UInt8, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.testnestedflatbuffer.v); return _accessor.directMutate(testnestedflatbuffer, index: _accessor.vector(at: o) + index * 1) }
public func withUnsafePointerToTestnestedflatbuffer<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.testnestedflatbuffer.v, body: body) }
public var testempty: MyGame_Example_Stat? { let o = _accessor.offset(VTOFFSET.testempty.v); return o == 0 ? nil : MyGame_Example_Stat(_accessor.bb, o: _accessor.indirect(o + _accessor.position)) }
public var testbool: Bool { let o = _accessor.offset(VTOFFSET.testbool.v); return o == 0 ? false : _accessor.readBuffer(of: Bool.self, at: o) }
@discardableResult public func mutate(testbool: Bool) -> Bool {let o = _accessor.offset(VTOFFSET.testbool.v); return _accessor.mutate(testbool, index: o) }
@@ -1244,6 +1247,7 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
public func testarrayofbools(at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.testarrayofbools.v); return o == 0 ? true : _accessor.directRead(of: Bool.self, offset: _accessor.vector(at: o) + index * 1) }
public var testarrayofbools: [Bool] { return _accessor.getVector(at: VTOFFSET.testarrayofbools.v) ?? [] }
public func mutate(testarrayofbools: Bool, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.testarrayofbools.v); return _accessor.directMutate(testarrayofbools, index: _accessor.vector(at: o) + index * 1) }
public func withUnsafePointerToTestarrayofbools<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.testarrayofbools.v, body: body) }
public var testf: Float32 { let o = _accessor.offset(VTOFFSET.testf.v); return o == 0 ? 3.14159 : _accessor.readBuffer(of: Float32.self, at: o) }
@discardableResult public func mutate(testf: Float32) -> Bool {let o = _accessor.offset(VTOFFSET.testf.v); return _accessor.mutate(testf, index: o) }
public var testf2: Float32 { let o = _accessor.offset(VTOFFSET.testf2.v); return o == 0 ? 3.0 : _accessor.readBuffer(of: Float32.self, at: o) }
@@ -1257,25 +1261,30 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
public var testarrayofsortedstructCount: Int32 { let o = _accessor.offset(VTOFFSET.testarrayofsortedstruct.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func testarrayofsortedstruct(at index: Int32) -> MyGame_Example_Ability? { let o = _accessor.offset(VTOFFSET.testarrayofsortedstruct.v); return o == 0 ? nil : _accessor.directRead(of: MyGame_Example_Ability.self, offset: _accessor.vector(at: o) + index * 8) }
public func mutableTestarrayofsortedstruct(at index: Int32) -> MyGame_Example_Ability_Mutable? { let o = _accessor.offset(VTOFFSET.testarrayofsortedstruct.v); return o == 0 ? nil : MyGame_Example_Ability_Mutable(_accessor.bb, o: _accessor.vector(at: o) + index * 8) }
public func withUnsafePointerToTestarrayofsortedstruct<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.testarrayofsortedstruct.v, body: body) }
public var hasFlex: Bool { let o = _accessor.offset(VTOFFSET.flex.v); return o == 0 ? false : true }
public var flexCount: Int32 { let o = _accessor.offset(VTOFFSET.flex.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func flex(at index: Int32) -> UInt8 { let o = _accessor.offset(VTOFFSET.flex.v); return o == 0 ? 0 : _accessor.directRead(of: UInt8.self, offset: _accessor.vector(at: o) + index * 1) }
public var flex: [UInt8] { return _accessor.getVector(at: VTOFFSET.flex.v) ?? [] }
public func mutate(flex: UInt8, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.flex.v); return _accessor.directMutate(flex, index: _accessor.vector(at: o) + index * 1) }
public func withUnsafePointerToFlex<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.flex.v, body: body) }
public var hasTest5: Bool { let o = _accessor.offset(VTOFFSET.test5.v); return o == 0 ? false : true }
public var test5Count: Int32 { let o = _accessor.offset(VTOFFSET.test5.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func test5(at index: Int32) -> MyGame_Example_Test? { let o = _accessor.offset(VTOFFSET.test5.v); return o == 0 ? nil : _accessor.directRead(of: MyGame_Example_Test.self, offset: _accessor.vector(at: o) + index * 4) }
public func mutableTest5(at index: Int32) -> MyGame_Example_Test_Mutable? { let o = _accessor.offset(VTOFFSET.test5.v); return o == 0 ? nil : MyGame_Example_Test_Mutable(_accessor.bb, o: _accessor.vector(at: o) + index * 4) }
public func withUnsafePointerToTest5<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.test5.v, body: body) }
public var hasVectorOfLongs: Bool { let o = _accessor.offset(VTOFFSET.vectorOfLongs.v); return o == 0 ? false : true }
public var vectorOfLongsCount: Int32 { let o = _accessor.offset(VTOFFSET.vectorOfLongs.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func vectorOfLongs(at index: Int32) -> Int64 { let o = _accessor.offset(VTOFFSET.vectorOfLongs.v); return o == 0 ? 0 : _accessor.directRead(of: Int64.self, offset: _accessor.vector(at: o) + index * 8) }
public var vectorOfLongs: [Int64] { return _accessor.getVector(at: VTOFFSET.vectorOfLongs.v) ?? [] }
public func mutate(vectorOfLongs: Int64, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.vectorOfLongs.v); return _accessor.directMutate(vectorOfLongs, index: _accessor.vector(at: o) + index * 8) }
public func withUnsafePointerToVectorOfLongs<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.vectorOfLongs.v, body: body) }
public var hasVectorOfDoubles: Bool { let o = _accessor.offset(VTOFFSET.vectorOfDoubles.v); return o == 0 ? false : true }
public var vectorOfDoublesCount: Int32 { let o = _accessor.offset(VTOFFSET.vectorOfDoubles.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func vectorOfDoubles(at index: Int32) -> Double { let o = _accessor.offset(VTOFFSET.vectorOfDoubles.v); return o == 0 ? 0 : _accessor.directRead(of: Double.self, offset: _accessor.vector(at: o) + index * 8) }
public var vectorOfDoubles: [Double] { return _accessor.getVector(at: VTOFFSET.vectorOfDoubles.v) ?? [] }
public func mutate(vectorOfDoubles: Double, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.vectorOfDoubles.v); return _accessor.directMutate(vectorOfDoubles, index: _accessor.vector(at: o) + index * 8) }
public func withUnsafePointerToVectorOfDoubles<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.vectorOfDoubles.v, body: body) }
public var parentNamespaceTest: MyGame_InParentNamespace? { let o = _accessor.offset(VTOFFSET.parentNamespaceTest.v); return o == 0 ? nil : MyGame_InParentNamespace(_accessor.bb, o: _accessor.indirect(o + _accessor.position)) }
public var hasVectorOfReferrables: Bool { let o = _accessor.offset(VTOFFSET.vectorOfReferrables.v); return o == 0 ? false : true }
public var vectorOfReferrablesCount: Int32 { let o = _accessor.offset(VTOFFSET.vectorOfReferrables.v); return o == 0 ? 0 : _accessor.vector(count: o) }
@@ -1288,6 +1297,7 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
public func vectorOfWeakReferences(at index: Int32) -> UInt64 { let o = _accessor.offset(VTOFFSET.vectorOfWeakReferences.v); return o == 0 ? 0 : _accessor.directRead(of: UInt64.self, offset: _accessor.vector(at: o) + index * 8) }
public var vectorOfWeakReferences: [UInt64] { return _accessor.getVector(at: VTOFFSET.vectorOfWeakReferences.v) ?? [] }
public func mutate(vectorOfWeakReferences: UInt64, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.vectorOfWeakReferences.v); return _accessor.directMutate(vectorOfWeakReferences, index: _accessor.vector(at: o) + index * 8) }
public func withUnsafePointerToVectorOfWeakReferences<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.vectorOfWeakReferences.v, body: body) }
public var hasVectorOfStrongReferrables: Bool { let o = _accessor.offset(VTOFFSET.vectorOfStrongReferrables.v); return o == 0 ? false : true }
public var vectorOfStrongReferrablesCount: Int32 { let o = _accessor.offset(VTOFFSET.vectorOfStrongReferrables.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func vectorOfStrongReferrables(at index: Int32) -> MyGame_Example_Referrable? { let o = _accessor.offset(VTOFFSET.vectorOfStrongReferrables.v); return o == 0 ? nil : MyGame_Example_Referrable(_accessor.bb, o: _accessor.indirect(_accessor.vector(at: o) + index * 4)) }
@@ -1299,6 +1309,7 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
public func vectorOfCoOwningReferences(at index: Int32) -> UInt64 { let o = _accessor.offset(VTOFFSET.vectorOfCoOwningReferences.v); return o == 0 ? 0 : _accessor.directRead(of: UInt64.self, offset: _accessor.vector(at: o) + index * 8) }
public var vectorOfCoOwningReferences: [UInt64] { return _accessor.getVector(at: VTOFFSET.vectorOfCoOwningReferences.v) ?? [] }
public func mutate(vectorOfCoOwningReferences: UInt64, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.vectorOfCoOwningReferences.v); return _accessor.directMutate(vectorOfCoOwningReferences, index: _accessor.vector(at: o) + index * 8) }
public func withUnsafePointerToVectorOfCoOwningReferences<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.vectorOfCoOwningReferences.v, body: body) }
public var nonOwningReference: UInt64 { let o = _accessor.offset(VTOFFSET.nonOwningReference.v); return o == 0 ? 0 : _accessor.readBuffer(of: UInt64.self, at: o) }
@discardableResult public func mutate(nonOwningReference: UInt64) -> Bool {let o = _accessor.offset(VTOFFSET.nonOwningReference.v); return _accessor.mutate(nonOwningReference, index: o) }
public var hasVectorOfNonOwningReferences: Bool { let o = _accessor.offset(VTOFFSET.vectorOfNonOwningReferences.v); return o == 0 ? false : true }
@@ -1306,6 +1317,7 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
public func vectorOfNonOwningReferences(at index: Int32) -> UInt64 { let o = _accessor.offset(VTOFFSET.vectorOfNonOwningReferences.v); return o == 0 ? 0 : _accessor.directRead(of: UInt64.self, offset: _accessor.vector(at: o) + index * 8) }
public var vectorOfNonOwningReferences: [UInt64] { return _accessor.getVector(at: VTOFFSET.vectorOfNonOwningReferences.v) ?? [] }
public func mutate(vectorOfNonOwningReferences: UInt64, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.vectorOfNonOwningReferences.v); return _accessor.directMutate(vectorOfNonOwningReferences, index: _accessor.vector(at: o) + index * 8) }
public func withUnsafePointerToVectorOfNonOwningReferences<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.vectorOfNonOwningReferences.v, body: body) }
public var anyUniqueType: MyGame_Example_AnyUniqueAliases { let o = _accessor.offset(VTOFFSET.anyUniqueType.v); return o == 0 ? .none_ : MyGame_Example_AnyUniqueAliases(rawValue: _accessor.readBuffer(of: UInt8.self, at: o)) ?? .none_ }
public func anyUnique<T: FlatbuffersInitializable>(type: T.Type) -> T? { let o = _accessor.offset(VTOFFSET.anyUnique.v); return o == 0 ? nil : _accessor.union(o) }
public var anyAmbiguousType: MyGame_Example_AnyAmbiguousAliases { let o = _accessor.offset(VTOFFSET.anyAmbiguousType.v); return o == 0 ? .none_ : MyGame_Example_AnyAmbiguousAliases(rawValue: _accessor.readBuffer(of: UInt8.self, at: o)) ?? .none_ }
@@ -1320,6 +1332,7 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
public func testrequirednestedflatbuffer(at index: Int32) -> UInt8 { let o = _accessor.offset(VTOFFSET.testrequirednestedflatbuffer.v); return o == 0 ? 0 : _accessor.directRead(of: UInt8.self, offset: _accessor.vector(at: o) + index * 1) }
public var testrequirednestedflatbuffer: [UInt8] { return _accessor.getVector(at: VTOFFSET.testrequirednestedflatbuffer.v) ?? [] }
public func mutate(testrequirednestedflatbuffer: UInt8, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.testrequirednestedflatbuffer.v); return _accessor.directMutate(testrequirednestedflatbuffer, index: _accessor.vector(at: o) + index * 1) }
public func withUnsafePointerToTestrequirednestedflatbuffer<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.testrequirednestedflatbuffer.v, body: body) }
public var hasScalarKeySortedTables: Bool { let o = _accessor.offset(VTOFFSET.scalarKeySortedTables.v); return o == 0 ? false : true }
public var scalarKeySortedTablesCount: Int32 { let o = _accessor.offset(VTOFFSET.scalarKeySortedTables.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func scalarKeySortedTables(at index: Int32) -> MyGame_Example_Stat? { let o = _accessor.offset(VTOFFSET.scalarKeySortedTables.v); return o == 0 ? nil : MyGame_Example_Stat(_accessor.bb, o: _accessor.indirect(_accessor.vector(at: o) + index * 4)) }
@@ -1549,7 +1562,7 @@ public struct MyGame_Example_Monster: FlatBufferObject, Verifiable, ObjectAPIPac
}
public static func sortVectorOfMonster(offsets:[Offset], _ fbb: inout FlatBufferBuilder) -> Offset {
var off = offsets
off.sort { Table.compare(Table.offset(Int32($1.o), vOffset: 10, fbb: fbb.buffer), Table.offset(Int32($0.o), vOffset: 10, fbb: fbb.buffer), fbb: fbb.buffer) < 0 }
off.sort { Table.compare(Table.offset(Int32($1.o), vOffset: 10, fbb: &fbb), Table.offset(Int32($0.o), vOffset: 10, fbb: &fbb), fbb: &fbb) < 0 }
return fbb.createVector(ofOffsets: off)
}
fileprivate static func lookupByKey(vector: Int32, key: String, fbb: ByteBuffer) -> MyGame_Example_Monster? {
@@ -2456,11 +2469,13 @@ public struct MyGame_Example_TypeAliases: FlatBufferObject, Verifiable, ObjectAP
public func v8(at index: Int32) -> Int8 { let o = _accessor.offset(VTOFFSET.v8.v); return o == 0 ? 0 : _accessor.directRead(of: Int8.self, offset: _accessor.vector(at: o) + index * 1) }
public var v8: [Int8] { return _accessor.getVector(at: VTOFFSET.v8.v) ?? [] }
public func mutate(v8: Int8, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.v8.v); return _accessor.directMutate(v8, index: _accessor.vector(at: o) + index * 1) }
public func withUnsafePointerToV8<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.v8.v, body: body) }
public var hasVf64: Bool { let o = _accessor.offset(VTOFFSET.vf64.v); return o == 0 ? false : true }
public var vf64Count: Int32 { let o = _accessor.offset(VTOFFSET.vf64.v); return o == 0 ? 0 : _accessor.vector(count: o) }
public func vf64(at index: Int32) -> Double { let o = _accessor.offset(VTOFFSET.vf64.v); return o == 0 ? 0 : _accessor.directRead(of: Double.self, offset: _accessor.vector(at: o) + index * 8) }
public var vf64: [Double] { return _accessor.getVector(at: VTOFFSET.vf64.v) ?? [] }
public func mutate(vf64: Double, at index: Int32) -> Bool { let o = _accessor.offset(VTOFFSET.vf64.v); return _accessor.directMutate(vf64, index: _accessor.vector(at: o) + index * 8) }
public func withUnsafePointerToVf64<T>(_ body: (UnsafeRawBufferPointer) throws -> T) rethrows -> T? { return try _accessor.withUnsafePointerToSlice(at: VTOFFSET.vf64.v, body: body) }
public static func startTypeAliases(_ fbb: inout FlatBufferBuilder) -> UOffset { fbb.startTable(with: 12) }
public static func add(i8: Int8, _ fbb: inout FlatBufferBuilder) { fbb.add(element: i8, def: 0, at: VTOFFSET.i8.p) }
public static func add(u8: UInt8, _ fbb: inout FlatBufferBuilder) { fbb.add(element: u8, def: 0, at: VTOFFSET.u8.p) }