Enum FieldModifier 

pub enum FieldModifier {
    None,
    Optional,
    NotNull,
    Array,
}

Field type modifiers (optional, not-null, or array).

Variants

None

No modifier (required field).

Optional

Optional field (?).

NotNull

Explicit not-null field (!).

Array

Array field ([]).

Trait Implementations

impl Clone for FieldModifier

fn clone(&self) -> FieldModifier

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FieldModifier

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

Formats the value using the given formatter.

impl PartialEq for FieldModifier

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl Copy for FieldModifier

impl Eq for FieldModifier

impl StructuralPartialEq for FieldModifier