Enum AlterDefault 

pub enum AlterDefault {
    None,
    Drop,
    Always(Expr),
    Set(Expr),
}

Variants

None

Drop

Always(Expr)

Set(Expr)

Trait Implementations

impl Clone for AlterDefault

fn clone(&self) -> AlterDefault

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AlterDefault

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

Formats the value using the given formatter.

impl Default for AlterDefault

fn default() -> AlterDefault

Returns the “default value” for a type.

impl PartialEq for AlterDefault

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

impl StructuralPartialEq for AlterDefault