Enum CompatibilityLevel 

pub enum CompatibilityLevel {
    Full,
    Partial,
    Incompatible,
    NeedsConversion,
}

兼容性级别

表示类型之间的兼容程度。

Variants

Full

完全兼容

Partial

部分兼容

Incompatible

不兼容

NeedsConversion

需要类型转换

Trait Implementations

impl Clone for CompatibilityLevel

fn clone(&self) -> CompatibilityLevel

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CompatibilityLevel

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

Formats the value using the given formatter.

impl PartialEq for CompatibilityLevel

fn eq(&self, other: &CompatibilityLevel) -> 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 CompatibilityLevel

impl Eq for CompatibilityLevel

impl StructuralPartialEq for CompatibilityLevel