Enum GroupFunction 

pub enum GroupFunction {
    Builtin(TagsType),
    UserDefined(Box<dyn GroupFunctionTrait>),
}

A group-by function wrapper

Variants

Builtin(TagsType)

A builtin function

UserDefined(Box<dyn GroupFunctionTrait>)

A use defined function

Trait Implementations

impl Clone for GroupFunction

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GroupFunction

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for GroupFunction

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for GroupFunction

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

Formats the value using the given formatter.

impl From<TagsType> for GroupFunction

fn from(t: TagsType) -> Self

Converts to this type from the input type.

impl FunctionTrait for GroupFunction

fn doc(&self) -> &str

Documentation of the function

fn args(&self) -> Vec<Arg>

Arguments to the function

fn documentation(&self, name: &FunctionId) -> String

Creates the description for the function

impl Serialize for GroupFunction

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.