Enum ClassCheck 

pub(crate) enum ClassCheck {
    Inherits,
    NotInherits,
}

The two class checks a parameter can name: inherits (the argument must inherit from one of the classes) and not_inherits (from none of them, #1815). Both take the same spellings at parameter and method level; this says which one a spelling is, and words its errors.

Variants

Inherits

NotInherits

Implementations

impl ClassCheck

pub(crate) fn of(path: &Path) -> Option<Self>

The check path names, if it is inherits or not_inherits.

fn keyword(self) -> &'static str

The attribute keyword, for error messages.

fn hints_option(self) -> &'static str

The when(...) hints in this check’s list of options, for errors: only inherits takes them.

fn unknown_option(self, key: &Ident) -> String

The error for an unknown option key in a parameter-level inherits(...) / not_inherits(...).

fn unknown_method_option(self) -> String

The error for an unknown option in a method-level inherits(p(...)) / not_inherits(p(...)).

fn classes(self, checks: &ExplicitChecks) -> Option<&[String]>

This check’s classes in checks, if it is requested.

fn classes_mut(self, checks: &mut ExplicitChecks) -> &mut Option<Vec<String>>

This check’s classes in checks, to add to.

fn checks(self, classes: Vec<String>, message: Option<String>) -> ExplicitChecks

The checks holding this check with classes and message.

Trait Implementations

impl Clone for ClassCheck

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ClassCheck

impl Debug for ClassCheck

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

Formats the value using the given formatter.

impl Eq for ClassCheck

#[doc(hidden)]

fn assert_receiver_is_total_eq(&self)

👎Deprecated since 1.95.0:

implementation detail of #[derive(Eq)]

#[doc(hidden)]

fn assert_fields_are_eq(&self)

🔬This is a nightly-only experimental API. (derive_eq_internals)

impl PartialEq for ClassCheck

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ClassCheck

impl TrivialClone for ClassCheck

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 1 byte

Size for each variant:

• Inherits: 0 bytes
• NotInherits: 0 bytes