Updates Rust codegen to use proper indentation (#8952)

* Fixes identation of generated Rust code

* Regenerates generated schemas

tests/monster_test_serialize/my_game/example/any_generated.rs

@@ -14,10 +14,10 @@ pub const ENUM_MAX_ANY: u8 = 3;
 #[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
 #[allow(non_camel_case_types)]
 pub const ENUM_VALUES_ANY: [Any; 4] = [
-  Any::NONE,
-  Any::Monster,
-  Any::TestSimpleTableWithEnum,
-  Any::MyGame_Example2_Monster,
+    Any::NONE,
+    Any::Monster,
+    Any::TestSimpleTableWithEnum,
+    Any::MyGame_Example2_Monster,
 ];
 
 #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
@@ -26,49 +26,49 @@ pub struct Any(pub u8);
 
 #[allow(non_upper_case_globals)]
 impl Any {
-  pub const NONE: Self = Self(0);
-  pub const Monster: Self = Self(1);
-  pub const TestSimpleTableWithEnum: Self = Self(2);
-  pub const MyGame_Example2_Monster: Self = Self(3);
+    pub const NONE: Self = Self(0);
+    pub const Monster: Self = Self(1);
+    pub const TestSimpleTableWithEnum: Self = Self(2);
+    pub const MyGame_Example2_Monster: Self = Self(3);
 
-  pub const ENUM_MIN: u8 = 0;
-  pub const ENUM_MAX: u8 = 3;
-  pub const ENUM_VALUES: &'static [Self] = &[
-    Self::NONE,
-    Self::Monster,
-    Self::TestSimpleTableWithEnum,
-    Self::MyGame_Example2_Monster,
-  ];
+    pub const ENUM_MIN: u8 = 0;
+    pub const ENUM_MAX: u8 = 3;
+    pub const ENUM_VALUES: &'static [Self] = &[
+        Self::NONE,
+        Self::Monster,
+        Self::TestSimpleTableWithEnum,
+        Self::MyGame_Example2_Monster,
+    ];
 
-  /// Returns the variant's name or "" if unknown.
-  pub fn variant_name(self) -> Option<&'static str> {
-    match self {
-      Self::NONE => Some("NONE"),
-      Self::Monster => Some("Monster"),
-      Self::TestSimpleTableWithEnum => Some("TestSimpleTableWithEnum"),
-      Self::MyGame_Example2_Monster => Some("MyGame_Example2_Monster"),
-      _ => None,
+    /// Returns the variant's name or "" if unknown.
+    pub fn variant_name(self) -> Option<&'static str> {
+        match self {
+            Self::NONE => Some("NONE"),
+            Self::Monster => Some("Monster"),
+            Self::TestSimpleTableWithEnum => Some("TestSimpleTableWithEnum"),
+            Self::MyGame_Example2_Monster => Some("MyGame_Example2_Monster"),
+            _ => None,
+        }
     }
-  }
 }
 
 impl ::core::fmt::Debug for Any {
-  fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
-    if let Some(name) = self.variant_name() {
-      f.write_str(name)
-    } else {
-      f.write_fmt(format_args!("<UNKNOWN {:?}>", self.0))
+    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
+        if let Some(name) = self.variant_name() {
+            f.write_str(name)
+        } else {
+            f.write_fmt(format_args!("<UNKNOWN {:?}>", self.0))
+        }
     }
-  }
 }
 
 impl Serialize for Any {
-  fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-  where
-    S: Serializer,
-  {
-    serializer.serialize_unit_variant("Any", self.0 as u32, self.variant_name().unwrap())
-  }
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        serializer.serialize_unit_variant("Any", self.0 as u32, self.variant_name().unwrap())
+    }
 }
 
 impl<'de> serde::Deserialize<'de> for Any {
@@ -91,13 +91,13 @@ impl<'de> serde::Deserialize<'de> for Any {
 }
 
 impl<'a> ::flatbuffers::Follow<'a> for Any {
-  type Inner = Self;
+    type Inner = Self;
 
-  #[inline]
-  unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
-    let b = unsafe { ::flatbuffers::read_scalar_at::<u8>(buf, loc) };
-    Self(b)
-  }
+    #[inline]
+    unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
+        let b = unsafe { ::flatbuffers::read_scalar_at::<u8>(buf, loc) };
+        Self(b)
+    }
 }
 
 impl ::flatbuffers::Push for Any {
@@ -110,28 +110,28 @@ impl ::flatbuffers::Push for Any {
 }
 
 impl ::flatbuffers::EndianScalar for Any {
-  type Scalar = u8;
+    type Scalar = u8;
 
-  #[inline]
-  fn to_little_endian(self) -> u8 {
-    self.0.to_le()
-  }
+    #[inline]
+    fn to_little_endian(self) -> u8 {
+        self.0.to_le()
+    }
 
-  #[inline]
-  #[allow(clippy::wrong_self_convention)]
-  fn from_little_endian(v: u8) -> Self {
-    let b = u8::from_le(v);
-    Self(b)
-  }
+    #[inline]
+    #[allow(clippy::wrong_self_convention)]
+    fn from_little_endian(v: u8) -> Self {
+        let b = u8::from_le(v);
+        Self(b)
+    }
 }
 
 impl<'a> ::flatbuffers::Verifiable for Any {
-  #[inline]
-  fn run_verifier(
-    v: &mut ::flatbuffers::Verifier, pos: usize
-  ) -> Result<(), ::flatbuffers::InvalidFlatbuffer> {
-    u8::run_verifier(v, pos)
-  }
+    #[inline]
+    fn run_verifier(
+        v: &mut ::flatbuffers::Verifier, pos: usize
+    ) -> Result<(), ::flatbuffers::InvalidFlatbuffer> {
+        u8::run_verifier(v, pos)
+    }
 }
 
 impl ::flatbuffers::SimpleToVerifyInSlice for Any {}
@@ -142,107 +142,107 @@ pub struct AnyUnionTableOffset {}
 #[non_exhaustive]
 #[derive(Debug, Clone, PartialEq)]
 pub enum AnyT {
-  NONE,
-  Monster(alloc::boxed::Box<MonsterT>),
-  TestSimpleTableWithEnum(alloc::boxed::Box<TestSimpleTableWithEnumT>),
-  MyGameExample2Monster(alloc::boxed::Box<super::example_2::MonsterT>),
+    NONE,
+    Monster(alloc::boxed::Box<MonsterT>),
+    TestSimpleTableWithEnum(alloc::boxed::Box<TestSimpleTableWithEnumT>),
+    MyGameExample2Monster(alloc::boxed::Box<super::example_2::MonsterT>),
 }
 
 impl Default for AnyT {
-  fn default() -> Self {
-    Self::NONE
-  }
+    fn default() -> Self {
+        Self::NONE
+    }
 }
 
 impl AnyT {
-  pub fn any_type(&self) -> Any {
-    match self {
-      Self::NONE => Any::NONE,
-      Self::Monster(_) => Any::Monster,
-      Self::TestSimpleTableWithEnum(_) => Any::TestSimpleTableWithEnum,
-      Self::MyGameExample2Monster(_) => Any::MyGame_Example2_Monster,
+    pub fn any_type(&self) -> Any {
+        match self {
+            Self::NONE => Any::NONE,
+            Self::Monster(_) => Any::Monster,
+            Self::TestSimpleTableWithEnum(_) => Any::TestSimpleTableWithEnum,
+            Self::MyGameExample2Monster(_) => Any::MyGame_Example2_Monster,
+        }
     }
-  }
 
-  pub fn pack<'b, A: ::flatbuffers::Allocator + 'b>(&self, fbb: &mut ::flatbuffers::FlatBufferBuilder<'b, A>) -> Option<::flatbuffers::WIPOffset<::flatbuffers::UnionWIPOffset>> {
-    match self {
-      Self::NONE => None,
-      Self::Monster(v) => Some(v.pack(fbb).as_union_value()),
-      Self::TestSimpleTableWithEnum(v) => Some(v.pack(fbb).as_union_value()),
-      Self::MyGameExample2Monster(v) => Some(v.pack(fbb).as_union_value()),
+    pub fn pack<'b, A: ::flatbuffers::Allocator + 'b>(&self, fbb: &mut ::flatbuffers::FlatBufferBuilder<'b, A>) -> Option<::flatbuffers::WIPOffset<::flatbuffers::UnionWIPOffset>> {
+        match self {
+            Self::NONE => None,
+            Self::Monster(v) => Some(v.pack(fbb).as_union_value()),
+            Self::TestSimpleTableWithEnum(v) => Some(v.pack(fbb).as_union_value()),
+            Self::MyGameExample2Monster(v) => Some(v.pack(fbb).as_union_value()),
+        }
     }
-  }
 
-  /// If the union variant matches, return the owned MonsterT, setting the union to NONE.
-  pub fn take_monster(&mut self) -> Option<alloc::boxed::Box<MonsterT>> {
-    if let Self::Monster(_) = self {
-      let v = ::core::mem::replace(self, Self::NONE);
-      if let Self::Monster(w) = v {
-        Some(w)
-      } else {
-        unreachable!()
-      }
-    } else {
-      None
+    /// If the union variant matches, return the owned MonsterT, setting the union to NONE.
+    pub fn take_monster(&mut self) -> Option<alloc::boxed::Box<MonsterT>> {
+        if let Self::Monster(_) = self {
+            let v = ::core::mem::replace(self, Self::NONE);
+            if let Self::Monster(w) = v {
+                Some(w)
+            } else {
+                unreachable!()
+            }
+        } else {
+            None
+        }
     }
-  }
 
-  /// If the union variant matches, return a reference to the MonsterT.
-  pub fn as_monster(&self) -> Option<&MonsterT> {
-    if let Self::Monster(v) = self { Some(v.as_ref()) } else { None }
-  }
-
-  /// If the union variant matches, return a mutable reference to the MonsterT.
-  pub fn as_monster_mut(&mut self) -> Option<&mut MonsterT> {
-    if let Self::Monster(v) = self { Some(v.as_mut()) } else { None }
-  }
-
-  /// If the union variant matches, return the owned TestSimpleTableWithEnumT, setting the union to NONE.
-  pub fn take_test_simple_table_with_enum(&mut self) -> Option<alloc::boxed::Box<TestSimpleTableWithEnumT>> {
-    if let Self::TestSimpleTableWithEnum(_) = self {
-      let v = ::core::mem::replace(self, Self::NONE);
-      if let Self::TestSimpleTableWithEnum(w) = v {
-        Some(w)
-      } else {
-        unreachable!()
-      }
-    } else {
-      None
+    /// If the union variant matches, return a reference to the MonsterT.
+    pub fn as_monster(&self) -> Option<&MonsterT> {
+        if let Self::Monster(v) = self { Some(v.as_ref()) } else { None }
     }
-  }
 
-  /// If the union variant matches, return a reference to the TestSimpleTableWithEnumT.
-  pub fn as_test_simple_table_with_enum(&self) -> Option<&TestSimpleTableWithEnumT> {
-    if let Self::TestSimpleTableWithEnum(v) = self { Some(v.as_ref()) } else { None }
-  }
-
-  /// If the union variant matches, return a mutable reference to the TestSimpleTableWithEnumT.
-  pub fn as_test_simple_table_with_enum_mut(&mut self) -> Option<&mut TestSimpleTableWithEnumT> {
-    if let Self::TestSimpleTableWithEnum(v) = self { Some(v.as_mut()) } else { None }
-  }
-
-  /// If the union variant matches, return the owned super::example_2::MonsterT, setting the union to NONE.
-  pub fn take_my_game_example_2_monster(&mut self) -> Option<alloc::boxed::Box<super::example_2::MonsterT>> {
-    if let Self::MyGameExample2Monster(_) = self {
-      let v = ::core::mem::replace(self, Self::NONE);
-      if let Self::MyGameExample2Monster(w) = v {
-        Some(w)
-      } else {
-        unreachable!()
-      }
-    } else {
-      None
+    /// If the union variant matches, return a mutable reference to the MonsterT.
+    pub fn as_monster_mut(&mut self) -> Option<&mut MonsterT> {
+        if let Self::Monster(v) = self { Some(v.as_mut()) } else { None }
     }
-  }
 
-  /// If the union variant matches, return a reference to the super::example_2::MonsterT.
-  pub fn as_my_game_example_2_monster(&self) -> Option<&super::example_2::MonsterT> {
-    if let Self::MyGameExample2Monster(v) = self { Some(v.as_ref()) } else { None }
-  }
+    /// If the union variant matches, return the owned TestSimpleTableWithEnumT, setting the union to NONE.
+    pub fn take_test_simple_table_with_enum(&mut self) -> Option<alloc::boxed::Box<TestSimpleTableWithEnumT>> {
+        if let Self::TestSimpleTableWithEnum(_) = self {
+            let v = ::core::mem::replace(self, Self::NONE);
+            if let Self::TestSimpleTableWithEnum(w) = v {
+                Some(w)
+            } else {
+                unreachable!()
+            }
+        } else {
+            None
+        }
+    }
 
-  /// If the union variant matches, return a mutable reference to the super::example_2::MonsterT.
-  pub fn as_my_game_example_2_monster_mut(&mut self) -> Option<&mut super::example_2::MonsterT> {
-    if let Self::MyGameExample2Monster(v) = self { Some(v.as_mut()) } else { None }
-  }
+    /// If the union variant matches, return a reference to the TestSimpleTableWithEnumT.
+    pub fn as_test_simple_table_with_enum(&self) -> Option<&TestSimpleTableWithEnumT> {
+        if let Self::TestSimpleTableWithEnum(v) = self { Some(v.as_ref()) } else { None }
+    }
+
+    /// If the union variant matches, return a mutable reference to the TestSimpleTableWithEnumT.
+    pub fn as_test_simple_table_with_enum_mut(&mut self) -> Option<&mut TestSimpleTableWithEnumT> {
+        if let Self::TestSimpleTableWithEnum(v) = self { Some(v.as_mut()) } else { None }
+    }
+
+    /// If the union variant matches, return the owned super::example_2::MonsterT, setting the union to NONE.
+    pub fn take_my_game_example_2_monster(&mut self) -> Option<alloc::boxed::Box<super::example_2::MonsterT>> {
+        if let Self::MyGameExample2Monster(_) = self {
+            let v = ::core::mem::replace(self, Self::NONE);
+            if let Self::MyGameExample2Monster(w) = v {
+                Some(w)
+            } else {
+                unreachable!()
+            }
+        } else {
+            None
+        }
+    }
+
+    /// If the union variant matches, return a reference to the super::example_2::MonsterT.
+    pub fn as_my_game_example_2_monster(&self) -> Option<&super::example_2::MonsterT> {
+        if let Self::MyGameExample2Monster(v) = self { Some(v.as_ref()) } else { None }
+    }
+
+    /// If the union variant matches, return a mutable reference to the super::example_2::MonsterT.
+    pub fn as_my_game_example_2_monster_mut(&mut self) -> Option<&mut super::example_2::MonsterT> {
+        if let Self::MyGameExample2Monster(v) = self { Some(v.as_mut()) } else { None }
+    }
 }