TableColumn

darkfi::zk::halo2::plonk

Struct TableColumn 

pub struct TableColumn {
    inner: Column<Fixed>,
}
Expand description

A fixed column of a lookup table.

A lookup table can be loaded into this column via Layouter::assign_table. Columns can currently only contain a single table, but they may be used in multiple lookup arguments via ConstraintSystem::lookup.

Lookup table columns are always “encumbered” by the lookup arguments they are used in; they cannot simultaneously be used as general fixed columns.

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§inner: Column<Fixed>

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impl TableColumn

pub fn enable_equality<F>(&self, meta: &mut ConstraintSystem<F>)
where F: Field,

Enable equality on this TableColumn.

Trait Implementations§

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impl Clone for TableColumn

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fn clone(&self) -> TableColumn

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TableColumn

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Hash for TableColumn

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for TableColumn

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fn cmp(&self, other: &TableColumn) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 · Source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for TableColumn

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fn eq(&self, other: &TableColumn) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for TableColumn

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fn partial_cmp(&self, other: &TableColumn) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 · Source§

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 · Source§

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 · Source§

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 · Source§

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Copy for TableColumn

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impl Eq for TableColumn

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impl StructuralPartialEq for TableColumn

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The archived version of the pointer metadata for this type.
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🔬This is a nightly-only experimental API. (clone_to_uninit)
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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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