Enum MacroErrorKind 

pub enum MacroErrorKind {
    NotEnoughArguments {
        expected: usize,
        found: usize,
    },
    Nonexistent,
    User {
        message: String,
    },
}

A kind of error that can occur when a macro is executed.

Variants

NotEnoughArguments

Not enough arguments were supplied.

Fields

expected: usize

found: usize

Nonexistent

A macro didn’t exist.

User

An error was thrown in the macro.

Fields

message: String

Implementations

impl MacroErrorKind

pub fn user(message: impl Into<String>) -> Self

Creates a user error.

pub fn not_enough_args(expected: usize, found: usize) -> Self

Creates an error about not having enough arguments.

Trait Implementations

impl Clone for MacroErrorKind

fn clone(&self) -> MacroErrorKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MacroErrorKind

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

Formats the value using the given formatter.

impl Display for MacroErrorKind

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

Formats the value using the given formatter.

impl Eq for MacroErrorKind

impl Hash for MacroErrorKind

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 MacroErrorKind

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for MacroErrorKind