Enum Problem 

#[non_exhaustive]
pub enum Problem {
    UnknownField(String),
    UnknownCollection(String),
    UnknownParameter(String),
    UnknownFunction(String),
}

Something wrong with an expression.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

UnknownField(String)

A field the schema does not have.

UnknownCollection(String)

A collection the schema does not have.

UnknownParameter(String)

A parameter the schema does not have.

UnknownFunction(String)

A function that is neither built in nor declared.

Trait Implementations

impl Clone for Problem

fn clone(&self) -> Problem

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Problem

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

Formats the value using the given formatter.

impl Display for Problem

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

Formats the value using the given formatter.

impl Eq for Problem

impl PartialEq for Problem

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Problem