Resolve Go fmt and vet warnings (#4134)

* Resolve Go fmt and vet warnings.

* Undo generated code gofmt.

go/sizes.go

 package flatbuffers
 
 import (
-        "unsafe"
+	"unsafe"
 )
 
 const (

samples/sample_binary.go

@@ -19,147 +19,147 @@
 package main
 
 import (
-        flatbuffers "github.com/google/flatbuffers/go"
-        "fmt"
-        "strconv"
-        sample "MyGame/Sample"
+	sample "MyGame/Sample"
+	"fmt"
+	flatbuffers "github.com/google/flatbuffers/go"
+	"strconv"
 )
 
 // Example how to use Flatbuffers to create and read binary buffers.
 func main() {
-        builder := flatbuffers.NewBuilder(0)
-
-        // Create some weapons for our Monster ("Sword" and "Axe").
-        weaponOne := builder.CreateString("Sword")
-        weaponTwo := builder.CreateString("Axe")
-
-        sample.WeaponStart(builder)
-        sample.WeaponAddName(builder, weaponOne)
-        sample.WeaponAddDamage(builder, 3)
-        sword := sample.WeaponEnd(builder)
-
-        sample.WeaponStart(builder)
-        sample.WeaponAddName(builder, weaponTwo)
-        sample.WeaponAddDamage(builder, 5)
-        axe := sample.WeaponEnd(builder)
-
-        // Serialize the FlatBuffer data.
-        name := builder.CreateString("Orc")
-
-        sample.MonsterStartInventoryVector(builder, 10)
-        // Note: Since we prepend the bytes, this loop iterates in reverse.
-        for i := 9; i >= 0; i-- {
-                builder.PrependByte(byte(i))
-        }
-        inv := builder.EndVector(10)
-
-        sample.MonsterStartWeaponsVector(builder, 2)
-        // Note: Since we prepend the weapons, prepend in reverse order.
-        builder.PrependUOffsetT(axe)
-        builder.PrependUOffsetT(sword)
-        weapons := builder.EndVector(2)
-
-        pos := sample.CreateVec3(builder, 1.0, 2.0, 3.0)
-
-        sample.MonsterStart(builder)
-        sample.MonsterAddPos(builder, pos)
-        sample.MonsterAddHp(builder, 300)
-        sample.MonsterAddName(builder, name)
-        sample.MonsterAddInventory(builder, inv)
-        sample.MonsterAddColor(builder, sample.ColorRed)
-        sample.MonsterAddWeapons(builder, weapons)
-        sample.MonsterAddEquippedType(builder, sample.EquipmentWeapon)
-        sample.MonsterAddEquipped(builder, axe)
-        orc := sample.MonsterEnd(builder)
-
-        builder.Finish(orc)
-
-        // We now have a FlatBuffer that we could store on disk or send over a network.
-
-        // ...Saving to file or sending over a network code goes here...
-
-        // Instead, we are going to access this buffer right away (as if we just received it).
-
-        buf := builder.FinishedBytes()
-
-        // Note: We use `0` for the offset here, since we got the data using the
-        // `builder.FinishedBytes()` method. This simulates the data you would store/receive in your
-        // FlatBuffer. If you wanted to read from the `builder.Bytes` directly, you would need to
-        // pass in the offset of `builder.Head()`, as the builder actually constructs the buffer
-        // backwards.
-        monster := sample.GetRootAsMonster(buf, 0)
-
-        // Note: We did not set the `mana` field explicitly, so we get the
-        // default value.
-        assert(monster.Mana() == 150, "`monster.Mana()`", strconv.Itoa(int(monster.Mana())), "150")
-        assert(monster.Hp() == 300, "`monster.Hp()`", strconv.Itoa(int(monster.Hp())), "300")
-        assert(string(monster.Name()) == "Orc", "`string(monster.Name())`", string(monster.Name()),
-               "\"Orc\"")
-        assert(monster.Color() == sample.ColorRed, "`monster.Color()`",
-               strconv.Itoa(int(monster.Color())), strconv.Itoa(int(sample.ColorRed)))
-
-        // Note: Whenever you access a new object, like in `Pos()`, a new temporary accessor object
-        // gets created. If your code is very performance sensitive, you can pass in a pointer to an
-        // existing `Vec3` instead of `nil`. This allows you to reuse it across many calls to reduce
-        // the amount of object allocation/garbage collection.
-        assert(monster.Pos(nil).X() == 1.0, "`monster.Pos(nil).X()`",
-               strconv.FormatFloat(float64(monster.Pos(nil).X()), 'f', 1, 32), "1.0")
-        assert(monster.Pos(nil).Y() == 2.0, "`monster.Pos(nil).Y()`",
-               strconv.FormatFloat(float64(monster.Pos(nil).Y()), 'f', 1, 32), "2.0")
-        assert(monster.Pos(nil).Z() == 3.0, "`monster.Pos(nil).Z()`",
-               strconv.FormatFloat(float64(monster.Pos(nil).Z()), 'f', 1, 32), "3.0")
-
-        // For vectors, like `Inventory`, they have a method suffixed with 'Length' that can be used
-        // to query the length of the vector. You can index the vector by passing an index value
-        // into the accessor.
-        for i := 0; i < monster.InventoryLength(); i++ {
-                assert(monster.Inventory(i) == byte(i), "`monster.Inventory(i)`",
-                       strconv.Itoa(int(monster.Inventory(i))), strconv.Itoa(int(byte(i))))
-        }
-
-        expectedWeaponNames := []string{"Sword", "Axe"}
-        expectedWeaponDamages := []int{3, 5}
-        weapon := new(sample.Weapon)  // We need a `sample.Weapon` to pass into `monster.Weapons()`
-                                      // to capture the output of that function.
-        for i := 0; i < monster.WeaponsLength(); i++ {
-                if monster.Weapons(weapon, i) {
-                        assert(string(weapon.Name()) == expectedWeaponNames[i], "`weapon.Name()`",
-                               string(weapon.Name()), expectedWeaponNames[i])
-                        assert(int(weapon.Damage()) == expectedWeaponDamages[i],
-                               "`weapon.Damage()`", strconv.Itoa(int(weapon.Damage())),
-                               strconv.Itoa(expectedWeaponDamages[i]))
-                }
-        }
-
-        // For FlatBuffer `union`s, you can get the type of the union, as well as the union
-        // data itself.
-        assert(monster.EquippedType() == sample.EquipmentWeapon, "`monster.EquippedType()`",
-               strconv.Itoa(int(monster.EquippedType())), strconv.Itoa(int(sample.EquipmentWeapon)))
-
-        unionTable := new(flatbuffers.Table)
-        if monster.Equipped(unionTable) {
-                // An example of how you can appropriately convert the table depending on the
-                // FlatBuffer `union` type. You could add `else if` and `else` clauses to handle
-                // other FlatBuffer `union` types for this field. (Similarly, this could be
-                // done in a switch statement.)
-                if monster.EquippedType() == sample.EquipmentWeapon {
-                        unionWeapon := new(sample.Weapon)
-                        unionWeapon.Init(unionTable.Bytes, unionTable.Pos)
-
-                        assert(string(unionWeapon.Name()) == "Axe", "`unionWeapon.Name()`",
-                               string(unionWeapon.Name()), "Axe")
-                        assert(int(unionWeapon.Damage()) == 5, "`unionWeapon.Damage()`",
-                               strconv.Itoa(int(unionWeapon.Damage())), strconv.Itoa(5))
-                }
-        }
-
-        fmt.Printf("The FlatBuffer was successfully created and verified!\n")
+	builder := flatbuffers.NewBuilder(0)
+
+	// Create some weapons for our Monster ("Sword" and "Axe").
+	weaponOne := builder.CreateString("Sword")
+	weaponTwo := builder.CreateString("Axe")
+
+	sample.WeaponStart(builder)
+	sample.WeaponAddName(builder, weaponOne)
+	sample.WeaponAddDamage(builder, 3)
+	sword := sample.WeaponEnd(builder)
+
+	sample.WeaponStart(builder)
+	sample.WeaponAddName(builder, weaponTwo)
+	sample.WeaponAddDamage(builder, 5)
+	axe := sample.WeaponEnd(builder)
+
+	// Serialize the FlatBuffer data.
+	name := builder.CreateString("Orc")
+
+	sample.MonsterStartInventoryVector(builder, 10)
+	// Note: Since we prepend the bytes, this loop iterates in reverse.
+	for i := 9; i >= 0; i-- {
+		builder.PrependByte(byte(i))
+	}
+	inv := builder.EndVector(10)
+
+	sample.MonsterStartWeaponsVector(builder, 2)
+	// Note: Since we prepend the weapons, prepend in reverse order.
+	builder.PrependUOffsetT(axe)
+	builder.PrependUOffsetT(sword)
+	weapons := builder.EndVector(2)
+
+	pos := sample.CreateVec3(builder, 1.0, 2.0, 3.0)
+
+	sample.MonsterStart(builder)
+	sample.MonsterAddPos(builder, pos)
+	sample.MonsterAddHp(builder, 300)
+	sample.MonsterAddName(builder, name)
+	sample.MonsterAddInventory(builder, inv)
+	sample.MonsterAddColor(builder, sample.ColorRed)
+	sample.MonsterAddWeapons(builder, weapons)
+	sample.MonsterAddEquippedType(builder, sample.EquipmentWeapon)
+	sample.MonsterAddEquipped(builder, axe)
+	orc := sample.MonsterEnd(builder)
+
+	builder.Finish(orc)
+
+	// We now have a FlatBuffer that we could store on disk or send over a network.
+
+	// ...Saving to file or sending over a network code goes here...
+
+	// Instead, we are going to access this buffer right away (as if we just received it).
+
+	buf := builder.FinishedBytes()
+
+	// Note: We use `0` for the offset here, since we got the data using the
+	// `builder.FinishedBytes()` method. This simulates the data you would store/receive in your
+	// FlatBuffer. If you wanted to read from the `builder.Bytes` directly, you would need to
+	// pass in the offset of `builder.Head()`, as the builder actually constructs the buffer
+	// backwards.
+	monster := sample.GetRootAsMonster(buf, 0)
+
+	// Note: We did not set the `mana` field explicitly, so we get the
+	// default value.
+	assert(monster.Mana() == 150, "`monster.Mana()`", strconv.Itoa(int(monster.Mana())), "150")
+	assert(monster.Hp() == 300, "`monster.Hp()`", strconv.Itoa(int(monster.Hp())), "300")
+	assert(string(monster.Name()) == "Orc", "`string(monster.Name())`", string(monster.Name()),
+		"\"Orc\"")
+	assert(monster.Color() == sample.ColorRed, "`monster.Color()`",
+		strconv.Itoa(int(monster.Color())), strconv.Itoa(int(sample.ColorRed)))
+
+	// Note: Whenever you access a new object, like in `Pos()`, a new temporary accessor object
+	// gets created. If your code is very performance sensitive, you can pass in a pointer to an
+	// existing `Vec3` instead of `nil`. This allows you to reuse it across many calls to reduce
+	// the amount of object allocation/garbage collection.
+	assert(monster.Pos(nil).X() == 1.0, "`monster.Pos(nil).X()`",
+		strconv.FormatFloat(float64(monster.Pos(nil).X()), 'f', 1, 32), "1.0")
+	assert(monster.Pos(nil).Y() == 2.0, "`monster.Pos(nil).Y()`",
+		strconv.FormatFloat(float64(monster.Pos(nil).Y()), 'f', 1, 32), "2.0")
+	assert(monster.Pos(nil).Z() == 3.0, "`monster.Pos(nil).Z()`",
+		strconv.FormatFloat(float64(monster.Pos(nil).Z()), 'f', 1, 32), "3.0")
+
+	// For vectors, like `Inventory`, they have a method suffixed with 'Length' that can be used
+	// to query the length of the vector. You can index the vector by passing an index value
+	// into the accessor.
+	for i := 0; i < monster.InventoryLength(); i++ {
+		assert(monster.Inventory(i) == byte(i), "`monster.Inventory(i)`",
+			strconv.Itoa(int(monster.Inventory(i))), strconv.Itoa(int(byte(i))))
+	}
+
+	expectedWeaponNames := []string{"Sword", "Axe"}
+	expectedWeaponDamages := []int{3, 5}
+	weapon := new(sample.Weapon) // We need a `sample.Weapon` to pass into `monster.Weapons()`
+	// to capture the output of that function.
+	for i := 0; i < monster.WeaponsLength(); i++ {
+		if monster.Weapons(weapon, i) {
+			assert(string(weapon.Name()) == expectedWeaponNames[i], "`weapon.Name()`",
+				string(weapon.Name()), expectedWeaponNames[i])
+			assert(int(weapon.Damage()) == expectedWeaponDamages[i],
+				"`weapon.Damage()`", strconv.Itoa(int(weapon.Damage())),
+				strconv.Itoa(expectedWeaponDamages[i]))
+		}
+	}
+
+	// For FlatBuffer `union`s, you can get the type of the union, as well as the union
+	// data itself.
+	assert(monster.EquippedType() == sample.EquipmentWeapon, "`monster.EquippedType()`",
+		strconv.Itoa(int(monster.EquippedType())), strconv.Itoa(int(sample.EquipmentWeapon)))
+
+	unionTable := new(flatbuffers.Table)
+	if monster.Equipped(unionTable) {
+		// An example of how you can appropriately convert the table depending on the
+		// FlatBuffer `union` type. You could add `else if` and `else` clauses to handle
+		// other FlatBuffer `union` types for this field. (Similarly, this could be
+		// done in a switch statement.)
+		if monster.EquippedType() == sample.EquipmentWeapon {
+			unionWeapon := new(sample.Weapon)
+			unionWeapon.Init(unionTable.Bytes, unionTable.Pos)
+
+			assert(string(unionWeapon.Name()) == "Axe", "`unionWeapon.Name()`",
+				string(unionWeapon.Name()), "Axe")
+			assert(int(unionWeapon.Damage()) == 5, "`unionWeapon.Damage()`",
+				strconv.Itoa(int(unionWeapon.Damage())), strconv.Itoa(5))
+		}
+	}
+
+	fmt.Printf("The FlatBuffer was successfully created and verified!\n")
 }
 
 // A helper function to print out if an assertion failed.
 func assert(assertPassed bool, codeExecuted string, actualValue string, expectedValue string) {
-        if assertPassed == false {
-                panic("Assert failed! " + codeExecuted + " (" + actualValue +
-                      ") was not equal to " + expectedValue + ".")
-        }
+	if assertPassed == false {
+		panic("Assert failed! " + codeExecuted + " (" + actualValue +
+			") was not equal to " + expectedValue + ".")
+	}
 }

tests/go_test.go

@@ -1251,9 +1251,9 @@ func CheckVtableDeduplication(fail func(string, ...interface{})) {
 			len(want), want, len(got), got)
 	}
 
-	table0 := &flatbuffers.Table{b.Bytes, flatbuffers.UOffsetT(len(b.Bytes)) - obj0}
-	table1 := &flatbuffers.Table{b.Bytes, flatbuffers.UOffsetT(len(b.Bytes)) - obj1}
-	table2 := &flatbuffers.Table{b.Bytes, flatbuffers.UOffsetT(len(b.Bytes)) - obj2}
+	table0 := &flatbuffers.Table{Bytes: b.Bytes, UOffset: flatbuffers.UOffsetT(len(b.Bytes)) - obj0}
+	table1 := &flatbuffers.Table{Bytes: b.Bytes, UOffset: flatbuffers.UOffsetT(len(b.Bytes)) - obj1}
+	table2 := &flatbuffers.Table{Bytes: b.Bytes, UOffset: flatbuffers.UOffsetT(len(b.Bytes)) - obj2}
 
 	testTable := func(tab *flatbuffers.Table, a flatbuffers.VOffsetT, b, c, d byte) {
 		// vtable size