Generate better formatted Rust code

samples/rust_generated/my_game/sample/color_generated.rs

@@ -2,10 +2,13 @@
 // @generated
 extern crate alloc;
 use super::*;
+
 #[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
 pub const ENUM_MIN_COLOR: i8 = 0;
+
 #[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
 pub const ENUM_MAX_COLOR: i8 = 2;
+
 #[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_COLOR: [Color; 3] = [
@@ -17,6 +20,7 @@ pub const ENUM_VALUES_COLOR: [Color; 3] = [
 #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 #[repr(transparent)]
 pub struct Color(pub i8);
+
 #[allow(non_upper_case_globals)]
 impl Color {
   pub const Red: Self = Self(0);
@@ -30,6 +34,7 @@ impl Color {
     Self::Green,
     Self::Blue,
   ];
+
   /// Returns the variant's name or "" if unknown.
   pub fn variant_name(self) -> Option<&'static str> {
     match self {
@@ -40,6 +45,7 @@ impl Color {
     }
   }
 }
+
 impl ::core::fmt::Debug for Color {
   fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
     if let Some(name) = self.variant_name() {
@@ -49,8 +55,10 @@ impl ::core::fmt::Debug for Color {
     }
   }
 }
+
 impl<'a> ::flatbuffers::Follow<'a> for Color {
   type Inner = Self;
+
   #[inline]
   unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
     let b = unsafe { ::flatbuffers::read_scalar_at::<i8>(buf, loc) };
@@ -60,6 +68,7 @@ impl<'a> ::flatbuffers::Follow<'a> for Color {
 
 impl ::flatbuffers::Push for Color {
     type Output = Color;
+
     #[inline]
     unsafe fn push(&self, dst: &mut [u8], _written_len: usize) {
         unsafe { ::flatbuffers::emplace_scalar::<i8>(dst, self.0) };
@@ -68,10 +77,12 @@ impl ::flatbuffers::Push for Color {
 
 impl ::flatbuffers::EndianScalar for Color {
   type Scalar = i8;
+
   #[inline]
   fn to_little_endian(self) -> i8 {
     self.0.to_le()
   }
+
   #[inline]
   #[allow(clippy::wrong_self_convention)]
   fn from_little_endian(v: i8) -> Self {

samples/rust_generated/my_game/sample/equipment_generated.rs

@@ -2,10 +2,13 @@
 // @generated
 extern crate alloc;
 use super::*;
+
 #[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
 pub const ENUM_MIN_EQUIPMENT: u8 = 0;
+
 #[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
 pub const ENUM_MAX_EQUIPMENT: u8 = 1;
+
 #[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_EQUIPMENT: [Equipment; 2] = [
@@ -16,6 +19,7 @@ pub const ENUM_VALUES_EQUIPMENT: [Equipment; 2] = [
 #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 #[repr(transparent)]
 pub struct Equipment(pub u8);
+
 #[allow(non_upper_case_globals)]
 impl Equipment {
   pub const NONE: Self = Self(0);
@@ -27,6 +31,7 @@ impl Equipment {
     Self::NONE,
     Self::Weapon,
   ];
+
   /// Returns the variant's name or "" if unknown.
   pub fn variant_name(self) -> Option<&'static str> {
     match self {
@@ -36,6 +41,7 @@ impl Equipment {
     }
   }
 }
+
 impl ::core::fmt::Debug for Equipment {
   fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
     if let Some(name) = self.variant_name() {
@@ -45,8 +51,10 @@ impl ::core::fmt::Debug for Equipment {
     }
   }
 }
+
 impl<'a> ::flatbuffers::Follow<'a> for Equipment {
   type Inner = Self;
+
   #[inline]
   unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
     let b = unsafe { ::flatbuffers::read_scalar_at::<u8>(buf, loc) };
@@ -56,6 +64,7 @@ impl<'a> ::flatbuffers::Follow<'a> for Equipment {
 
 impl ::flatbuffers::Push for Equipment {
     type Output = Equipment;
+
     #[inline]
     unsafe fn push(&self, dst: &mut [u8], _written_len: usize) {
         unsafe { ::flatbuffers::emplace_scalar::<u8>(dst, self.0) };
@@ -64,10 +73,12 @@ impl ::flatbuffers::Push for Equipment {
 
 impl ::flatbuffers::EndianScalar for Equipment {
   type Scalar = u8;
+
   #[inline]
   fn to_little_endian(self) -> u8 {
     self.0.to_le()
   }
+
   #[inline]
   #[allow(clippy::wrong_self_convention)]
   fn from_little_endian(v: u8) -> Self {
@@ -86,6 +97,7 @@ impl<'a> ::flatbuffers::Verifiable for Equipment {
 }
 
 impl ::flatbuffers::SimpleToVerifyInSlice for Equipment {}
+
 pub struct EquipmentUnionTableOffset {}
 
 #[allow(clippy::upper_case_acronyms)]
@@ -95,24 +107,28 @@ pub enum EquipmentT {
   NONE,
   Weapon(alloc::boxed::Box<WeaponT>),
 }
+
 impl Default for EquipmentT {
   fn default() -> Self {
     Self::NONE
   }
 }
+
 impl EquipmentT {
   pub fn equipment_type(&self) -> Equipment {
     match self {
       Self::NONE => Equipment::NONE,
       Self::Weapon(_) => Equipment::Weapon,
     }
   }
+
   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::Weapon(v) => Some(v.pack(fbb).as_union_value()),
     }
   }
+
   /// If the union variant matches, return the owned WeaponT, setting the union to NONE.
   pub fn take_weapon(&mut self) -> Option<alloc::boxed::Box<WeaponT>> {
     if let Self::Weapon(_) = self {
@@ -126,12 +142,15 @@ impl EquipmentT {
       None
     }
   }
+
   /// If the union variant matches, return a reference to the WeaponT.
   pub fn as_weapon(&self) -> Option<&WeaponT> {
     if let Self::Weapon(v) = self { Some(v.as_ref()) } else { None }
   }
+
   /// If the union variant matches, return a mutable reference to the WeaponT.
   pub fn as_weapon_mut(&mut self) -> Option<&mut WeaponT> {
     if let Self::Weapon(v) = self { Some(v.as_mut()) } else { None }
   }
 }
+