rustfmt: format imports

This PR adds import formatting configurations to the repository's `rustfmt.toml` file, and the associated changes from `cargo +nightly fmt --all`.

associated-token-account/program-test/tests/spl_token_create.rs

@@ -3,6 +3,8 @@
 
 mod program_test;
 
+#[allow(deprecated)]
+use spl_associated_token_account::create_associated_token_account as deprecated_create_associated_token_account;
 use {
     program_test::program_test,
     solana_program::pubkey::Pubkey,
@@ -14,9 +16,6 @@ use {
     spl_token::state::Account,
 };
 
-#[allow(deprecated)]
-use spl_associated_token_account::create_associated_token_account as deprecated_create_associated_token_account;
-
 #[tokio::test]
 async fn success_create() {
     let wallet_address = Pubkey::new_unique();

binary-option/program/src/entrypoint.rs

@@ -1,8 +1,9 @@
 #![cfg(all(target_os = "solana", not(feature = "no-entrypoint")))]
 
-use solana_program::{account_info::AccountInfo, entrypoint::ProgramResult, pubkey::Pubkey};
-
-use crate::processor::Processor;
+use {
+    crate::processor::Processor,
+    solana_program::{account_info::AccountInfo, entrypoint::ProgramResult, pubkey::Pubkey},
+};
 
 solana_program::entrypoint!(process_instruction);
 fn process_instruction(

binary-option/program/src/error.rs

@@ -1,6 +1,4 @@
-use thiserror::Error;
-
-use solana_program::program_error::ProgramError;
+use {solana_program::program_error::ProgramError, thiserror::Error};
 
 #[derive(Error, Debug, Copy, Clone)]
 pub enum BinaryOptionError {

binary-option/program/src/instruction.rs

@@ -1,11 +1,12 @@
-use solana_program::{
-    instruction::{AccountMeta, Instruction},
-    pubkey::Pubkey,
-    sysvar,
+use {
+    borsh::{BorshDeserialize, BorshSerialize},
+    solana_program::{
+        instruction::{AccountMeta, Instruction},
+        pubkey::Pubkey,
+        sysvar,
+    },
 };
 
-use borsh::{BorshDeserialize, BorshSerialize};
-
 #[repr(C)]
 #[derive(BorshSerialize, BorshDeserialize, PartialEq, Debug, Clone)]
 pub struct InitializeBinaryOptionArgs {

binary-option/program/src/processor.rs

@@ -1,28 +1,30 @@
-use crate::{
-    error::BinaryOptionError,
-    instruction::BinaryOptionInstruction,
-    spl_utils::{
-        spl_approve, spl_burn, spl_burn_signed, spl_initialize, spl_mint_initialize, spl_mint_to,
-        spl_set_authority, spl_token_transfer, spl_token_transfer_signed,
+use {
+    crate::{
+        error::BinaryOptionError,
+        instruction::BinaryOptionInstruction,
+        spl_utils::{
+            spl_approve, spl_burn, spl_burn_signed, spl_initialize, spl_mint_initialize,
+            spl_mint_to, spl_set_authority, spl_token_transfer, spl_token_transfer_signed,
+        },
+        state::BinaryOption,
+        system_utils::{create_new_account, create_or_allocate_account_raw},
+        validation_utils::{
+            assert_initialized, assert_keys_equal, assert_keys_unequal, assert_owned_by,
+        },
     },
-    state::BinaryOption,
-    system_utils::{create_new_account, create_or_allocate_account_raw},
-    validation_utils::{
-        assert_initialized, assert_keys_equal, assert_keys_unequal, assert_owned_by,
+    borsh::BorshDeserialize,
+    solana_program::{
+        account_info::{next_account_info, AccountInfo},
+        entrypoint::ProgramResult,
+        msg,
+        program_error::ProgramError,
+        program_pack::Pack,
+        pubkey::Pubkey,
+    },
+    spl_token::{
+        instruction::AuthorityType,
+        state::{Account, Mint},
     },
-};
-use borsh::BorshDeserialize;
-use solana_program::{
-    account_info::{next_account_info, AccountInfo},
-    entrypoint::ProgramResult,
-    msg,
-    program_error::ProgramError,
-    program_pack::Pack,
-    pubkey::Pubkey,
-};
-use spl_token::{
-    instruction::AuthorityType,
-    state::{Account, Mint},
 };
 
 pub struct Processor;

binary-option/program/src/state.rs

@@ -1,11 +1,12 @@
-use solana_program::{
-    account_info::AccountInfo, entrypoint::ProgramResult, program_error::ProgramError,
-    pubkey::Pubkey,
+use {
+    crate::error::BinaryOptionError,
+    borsh::{BorshDeserialize, BorshSerialize},
+    solana_program::{
+        account_info::AccountInfo, entrypoint::ProgramResult, program_error::ProgramError,
+        pubkey::Pubkey,
+    },
 };
 
-use crate::error::BinaryOptionError;
-use borsh::{BorshDeserialize, BorshSerialize};
-
 #[repr(C)]
 #[derive(BorshSerialize, BorshDeserialize, Debug, Clone)]
 pub struct BinaryOption {

binary-oracle-pair/program/src/entrypoint.rs

@@ -2,10 +2,12 @@
 
 #![cfg(all(target_os = "solana", not(feature = "no-entrypoint")))]
 
-use crate::{error::PoolError, processor};
-use solana_program::{
-    account_info::AccountInfo, entrypoint::ProgramResult, program_error::PrintProgramError,
-    pubkey::Pubkey,
+use {
+    crate::{error::PoolError, processor},
+    solana_program::{
+        account_info::AccountInfo, entrypoint::ProgramResult, program_error::PrintProgramError,
+        pubkey::Pubkey,
+    },
 };
 
 solana_program::entrypoint!(process_instruction);

binary-oracle-pair/program/src/error.rs

@@ -1,11 +1,15 @@
 //! Error types
 
-use num_derive::FromPrimitive;
-use num_traits::FromPrimitive;
-use solana_program::{
-    decode_error::DecodeError, msg, program_error::PrintProgramError, program_error::ProgramError,
+use {
+    num_derive::FromPrimitive,
+    num_traits::FromPrimitive,
+    solana_program::{
+        decode_error::DecodeError,
+        msg,
+        program_error::{PrintProgramError, ProgramError},
+    },
+    thiserror::Error,
 };
-use thiserror::Error;
 
 /// Errors that may be returned by the Binary Oracle Pair program.
 #[derive(Clone, Debug, Eq, Error, FromPrimitive, PartialEq)]

binary-oracle-pair/program/src/instruction.rs

@@ -1,12 +1,14 @@
 //! Instruction types
 
-use borsh::{BorshDeserialize, BorshSerialize};
-use solana_program::{
-    clock::Slot,
-    instruction::{AccountMeta, Instruction},
-    program_error::ProgramError,
-    pubkey::Pubkey,
-    sysvar,
+use {
+    borsh::{BorshDeserialize, BorshSerialize},
+    solana_program::{
+        clock::Slot,
+        instruction::{AccountMeta, Instruction},
+        program_error::ProgramError,
+        pubkey::Pubkey,
+        sysvar,
+    },
 };
 
 /// Initialize arguments for pool

binary-oracle-pair/program/src/processor.rs

@@ -1,25 +1,26 @@
 //! Program state processor
 
-use crate::{
-    error::PoolError,
-    instruction::PoolInstruction,
-    state::{Decision, Pool, POOL_VERSION},
+use {
+    crate::{
+        error::PoolError,
+        instruction::PoolInstruction,
+        state::{Decision, Pool, POOL_VERSION},
+    },
+    borsh::BorshDeserialize,
+    solana_program::{
+        account_info::{next_account_info, AccountInfo},
+        clock::{Clock, Slot},
+        entrypoint::ProgramResult,
+        msg,
+        program::{invoke, invoke_signed},
+        program_error::ProgramError,
+        program_pack::{IsInitialized, Pack},
+        pubkey::Pubkey,
+        rent::Rent,
+        sysvar::Sysvar,
+    },
+    spl_token::state::{Account, Mint},
 };
-use borsh::BorshDeserialize;
-use solana_program::{
-    account_info::next_account_info,
-    account_info::AccountInfo,
-    clock::{Clock, Slot},
-    entrypoint::ProgramResult,
-    msg,
-    program::{invoke, invoke_signed},
-    program_error::ProgramError,
-    program_pack::{IsInitialized, Pack},
-    pubkey::Pubkey,
-    rent::Rent,
-    sysvar::Sysvar,
-};
-use spl_token::state::{Account, Mint};
 
 /// Program state handler.
 pub struct Processor {}

binary-oracle-pair/program/src/state.rs

@@ -1,7 +1,9 @@
 //! State transition types
 
-use borsh::{BorshDeserialize, BorshSerialize};
-use solana_program::pubkey::Pubkey;
+use {
+    borsh::{BorshDeserialize, BorshSerialize},
+    solana_program::pubkey::Pubkey,
+};
 
 /// Uninitialized version value, all instances are at least version 1
 pub const UNINITIALIZED_VERSION: u8 = 0;

binary-oracle-pair/program/tests/tests.rs

@@ -1,15 +1,17 @@
 #![cfg(feature = "test-sbf")]
 
-use borsh::de::BorshDeserialize;
-use solana_program::{hash::Hash, program_pack::Pack, pubkey::Pubkey, system_instruction};
-use solana_program_test::*;
-use solana_sdk::{
-    account::Account,
-    signature::{Keypair, Signer},
-    transaction::Transaction,
-    transport::TransportError,
+use {
+    borsh::de::BorshDeserialize,
+    solana_program::{hash::Hash, program_pack::Pack, pubkey::Pubkey, system_instruction},
+    solana_program_test::*,
+    solana_sdk::{
+        account::Account,
+        signature::{Keypair, Signer},
+        transaction::Transaction,
+        transport::TransportError,
+    },
+    spl_binary_oracle_pair::*,
 };
-use spl_binary_oracle_pair::*;
 
 pub fn program_test() -> ProgramTest {
     ProgramTest::new(

examples/rust/custom-heap/src/entrypoint.rs

@@ -2,12 +2,14 @@
 
 #![cfg(not(feature = "no-entrypoint"))]
 
-use solana_program::{
-    account_info::AccountInfo,
-    entrypoint::{ProgramResult, HEAP_LENGTH, HEAP_START_ADDRESS},
-    pubkey::Pubkey,
+use {
+    solana_program::{
+        account_info::AccountInfo,
+        entrypoint::{ProgramResult, HEAP_LENGTH, HEAP_START_ADDRESS},
+        pubkey::Pubkey,
+    },
+    std::{alloc::Layout, mem::size_of, ptr::null_mut, usize},
 };
-use std::{alloc::Layout, mem::size_of, ptr::null_mut, usize};
 
 /// Developers can implement their own heap by defining their own
 /// `#[global_allocator]`.  The following implements a dummy for test purposes

feature-proposal/program/src/instruction.rs

@@ -1,14 +1,16 @@
 //! Program instructions
 
-use crate::{state::AcceptanceCriteria, *};
-use borsh::{BorshDeserialize, BorshSchema, BorshSerialize};
-use solana_program::{
-    instruction::{AccountMeta, Instruction},
-    msg,
-    program_error::ProgramError,
-    program_pack::{Pack, Sealed},
-    pubkey::Pubkey,
-    sysvar,
+use {
+    crate::{state::AcceptanceCriteria, *},
+    borsh::{BorshDeserialize, BorshSchema, BorshSerialize},
+    solana_program::{
+        instruction::{AccountMeta, Instruction},
+        msg,
+        program_error::ProgramError,
+        program_pack::{Pack, Sealed},
+        pubkey::Pubkey,
+        sysvar,
+    },
 };
 
 /// Instructions supported by the Feature Proposal program

feature-proposal/program/src/processor.rs

@@ -1,18 +1,20 @@
 //! Program state processor
 
-use crate::{instruction::*, state::*, *};
-use solana_program::{
-    account_info::{next_account_info, AccountInfo},
-    clock::Clock,
-    entrypoint::ProgramResult,
-    feature::{self, Feature},
-    msg,
-    program::{invoke, invoke_signed},
-    program_error::ProgramError,
-    pubkey::Pubkey,
-    rent::Rent,
-    system_instruction,
-    sysvar::Sysvar,
+use {
+    crate::{instruction::*, state::*, *},
+    solana_program::{
+        account_info::{next_account_info, AccountInfo},
+        clock::Clock,
+        entrypoint::ProgramResult,
+        feature::{self, Feature},
+        msg,
+        program::{invoke, invoke_signed},
+        program_error::ProgramError,
+        pubkey::Pubkey,
+        rent::Rent,
+        system_instruction,
+        sysvar::Sysvar,
+    },
 };
 
 /// Instruction processor

feature-proposal/program/src/state.rs

@@ -1,10 +1,12 @@
 //! Program state
-use borsh::{BorshDeserialize, BorshSchema, BorshSerialize};
-use solana_program::{
-    clock::UnixTimestamp,
-    msg,
-    program_error::ProgramError,
-    program_pack::{Pack, Sealed},
+use {
+    borsh::{BorshDeserialize, BorshSchema, BorshSerialize},
+    solana_program::{
+        clock::UnixTimestamp,
+        msg,
+        program_error::ProgramError,
+        program_pack::{Pack, Sealed},
+    },
 };
 
 /// Criteria for accepting a feature proposal

governance/addin-api/src/max_voter_weight.rs

@@ -1,8 +1,10 @@
 //! MaxVoterWeight Addin interface
 
-use borsh::{BorshDeserialize, BorshSchema, BorshSerialize};
-use solana_program::{clock::Slot, program_pack::IsInitialized, pubkey::Pubkey};
-use spl_governance_tools::account::AccountMaxSize;
+use {
+    borsh::{BorshDeserialize, BorshSchema, BorshSerialize},
+    solana_program::{clock::Slot, program_pack::IsInitialized, pubkey::Pubkey},
+    spl_governance_tools::account::AccountMaxSize,
+};
 
 /// MaxVoterWeightRecord account
 /// The account is used as an api interface to provide max voting power to the governance program from external addin contracts