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Remove a few unnecessary .into_iter() explicit calls, and some cloning.

Browse Source 
See https://rust-lang.github.io/rust-clippy/master/#explicit_into_iter_loop
This commit is contained in:
François Garillot
2019-12-02 07:12:38 -08:00
committed by Pratyush Mishra
parent 581f3df55f
commit 10c6e85c1a
11 changed files with 17 additions and 17 deletions
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2
r1cs-std/src/bits/boolean.rs
View File

@@ -371,7 +371,7 @@ impl Boolean {
values: &[u8],
) -> Vec<Self> {
let mut input_bits = vec![];
for (byte_i, input_byte) in values.into_iter().enumerate() {
for (byte_i, input_byte) in values.iter().enumerate() {
for bit_i in (0..8).rev() {
let cs = cs.ns(|| format!("input_bit_gadget {} {}", byte_i, bit_i));
input_bits.push(

2
r1cs-std/src/bits/uint32.rs
View File

@@ -291,7 +291,7 @@ impl<ConstraintF: Field> ToBytesGadget<ConstraintF> for UInt32 {
None => [None, None, None, None],
};
let mut bytes = Vec::new();
for (i, chunk8) in self.to_bits_le().chunks(8).into_iter().enumerate() {
for (i, chunk8) in self.to_bits_le().chunks(8).enumerate() {
let byte = UInt8 {
bits: chunk8.to_vec(),
value: value_chunks[i],

6
r1cs-std/src/bits/uint8.rs
View File

@@ -60,7 +60,7 @@ impl UInt8 {
T: Into<Option<u8>> + Copy,
{
let mut output_vec = Vec::with_capacity(values.len());
for (i, value) in values.into_iter().enumerate() {
for (i, value) in values.iter().enumerate() {
let byte: Option<u8> = Into::into(*value);
let alloc_byte = Self::alloc(&mut cs.ns(|| format!("byte_{}", i)), || byte.get())?;
output_vec.push(alloc_byte);
@@ -115,7 +115,7 @@ impl UInt8 {
/// LSB-first means that we can easily get the corresponding field element
/// via double and add.
pub fn into_bits_le(&self) -> Vec<Boolean> {
self.bits.iter().cloned().collect()
self.bits.to_vec()
}
/// Converts a little-endian byte order representation of bits into a
@@ -317,7 +317,7 @@ mod test {
#[test]
fn test_uint8_alloc_input_vec() {
let mut cs = TestConstraintSystem::<Fr>::new();
let byte_vals = (64u8..128u8).into_iter().collect::<Vec<_>>();
let byte_vals = (64u8..128u8).collect::<Vec<_>>();
let bytes = UInt8::alloc_input_vec(cs.ns(|| "alloc value"), &byte_vals).unwrap();
for (native_byte, gadget_byte) in byte_vals.into_iter().zip(bytes) {
let bits = gadget_byte.into_bits_le();