Enum FaceFieldRole 

pub enum FaceFieldRole {
    Required,
    Derived,
    ReadOnly,
    Optional,
    Conditional,
}

Field role shown next to each label in the field guide. 字段指南中标签旁展示的角色。

Variants

Required

The author must supply a value. 作者必须提供取值。

Derived

The value is computed from sibling fields. 取值由同排其他字段推导。

ReadOnly

The value is derived and cannot be edited directly. 取值由推导得到，不能直接编辑。

Optional

The field may be left empty. 该字段可以留空。

Conditional

The field applies only in the situation its help text names. 该字段仅在帮助文本所述情形下适用。

Implementations

impl FaceFieldRole

pub const fn marker(self) -> &'static str

The short glyph the field guide prints beside the label. 字段指南在标签旁打印的短标记。

pub const fn label(self) -> &'static str

The upper-case role name the field guide prints. 字段指南打印的大写角色名。

Trait Implementations

impl Clone for FaceFieldRole

fn clone(&self) -> FaceFieldRole

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for FaceFieldRole

impl Debug for FaceFieldRole

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

Formats the value using the given formatter.

impl Eq for FaceFieldRole

impl PartialEq for FaceFieldRole

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for FaceFieldRole