Remove `FieldExt` bound from `SqrtHasher` generic argument
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0559163953
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@ -60,14 +60,14 @@ pub trait FieldExt: ff::PrimeField + Ord + Group<Scalar = Self> {
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#[cfg(feature = "sqrt-table")]
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#[cfg_attr(docsrs, doc(cfg(feature = "sqrt-table")))]
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#[derive(Debug)]
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struct SqrtHasher<F: FieldExt> {
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struct SqrtHasher<F: SqrtTableHelpers> {
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hash_xor: u32,
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hash_mod: usize,
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marker: PhantomData<F>,
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}
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#[cfg(feature = "sqrt-table")]
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impl<F: FieldExt + SqrtTableHelpers> SqrtHasher<F> {
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impl<F: SqrtTableHelpers> SqrtHasher<F> {
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/// Returns a perfect hash of x for use with SqrtTables::inv.
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fn hash(&self, x: &F) -> usize {
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// This is just the simplest constant-time perfect hash construction that could
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@ -82,7 +82,7 @@ impl<F: FieldExt + SqrtTableHelpers> SqrtHasher<F> {
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#[cfg(feature = "sqrt-table")]
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#[cfg_attr(docsrs, doc(cfg(feature = "sqrt-table")))]
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#[derive(Debug)]
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pub(crate) struct SqrtTables<F: FieldExt> {
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pub(crate) struct SqrtTables<F: SqrtTableHelpers> {
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hasher: SqrtHasher<F>,
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inv: Vec<u8>,
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g0: Box<[F; 256]>,
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@ -92,7 +92,7 @@ pub(crate) struct SqrtTables<F: FieldExt> {
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}
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#[cfg(feature = "sqrt-table")]
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impl<F: FieldExt + SqrtTableHelpers> SqrtTables<F> {
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impl<F: SqrtTableHelpers> SqrtTables<F> {
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/// Build tables given parameters for the perfect hash.
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pub fn new(hash_xor: u32, hash_mod: usize) -> Self {
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use alloc::vec;
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