Enum MappedConstraint 

pub enum MappedConstraint {
    None,
    Optional,
    Required,
    Readonly,
    Writable,
}

映射类型约束

Variants

None

无约束

Optional

可选属性 (?)

Required

必选属性 (-?)

Readonly

只读属性 (readonly)

Writable

可写属性 (-readonly)

Trait Implementations

impl Clone for MappedConstraint

fn clone(&self) -> MappedConstraint

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MappedConstraint

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

Formats the value using the given formatter.

impl Hash for MappedConstraint

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

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for MappedConstraint

fn eq(&self, other: &MappedConstraint) -> 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 Eq for MappedConstraint

impl StructuralPartialEq for MappedConstraint