Enum Category 

#[non_exhaustive]
pub enum Category {
    Logical,
    String,
    Math,
    DateTime,
    Reporting,
    Aggregate,
}

What a function is for, as an expression editor groups them.

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.

Logical

Conditions and null handling.

String

Text.

Math

Numbers.

DateTime

Dates and times.

Reporting

Formatting and the page or row being printed.

Aggregate

Summaries over rows.

Trait Implementations

impl Clone for Category

fn clone(&self) -> Category

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Category

impl Debug for Category

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

Formats the value using the given formatter.

impl Eq for Category

impl Hash for Category

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 Category

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Category