#[repr(i32)]
pub enum PredicateOp {
    Unspecified,
    Exists,
    Unique,
}

Variants

Unspecified

Exists

Unique

Implementations

Returns true if value is a variant of PredicateOp.

Converts an i32 to a PredicateOp, or None if value is not a valid variant.

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Returns the “default value” for a type. Read more

Converts to this type from the input type.

Feeds this value into the given Hasher. Read more

Feeds a slice of this type into the given Hasher. Read more

This method returns an Ordering between self and other. Read more

Compares and returns the maximum of two values. Read more

Compares and returns the minimum of two values. Read more

Restrict a value to a certain interval. Read more

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

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

This method tests less than (for self and other) and is used by the < operator. Read more

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

This method tests greater than (for self and other) and is used by the > operator. Read more

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

Returns the protobuf type name for enums of this type.

Returns the name of the default variant of an enum.

Returns the name of the selected variant of an enum.

Returns the enumeration entry corresponding to the given integer value, if any. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Creates an empty output node for a protobuf datum of this type. Read more

Creates an empty output node for a protobuf datum with this value.

Returns the name of the selected variant of a oneof field, if this is a rust enum used to represent a oneof field. Read more

Complete the subtrees of this datum in output that have not already been parsed using UnknownField nodes. Returns whether any such nodes were added. Read more

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Returns the protobuf type name for primitives of this type.

Returns the protobuf-specified default value for this primitive data type. Read more

Returns the actual value for this primitive data type as a ProtoPrimitiveData variant. Read more

Returns whether this is the default value of the primitive.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.