Struct ListExpr 

pub struct ListExpr { /* private fields */ }

Expression AST and supporting enums. Builder for list.* expression functions.

Implementations

impl ListExpr

pub fn join( self, separator: impl Into<String>, null_value: Option<impl Into<String>>, ) -> Expr

Join string list elements with a separator.

pub fn len(self) -> Expr

Return list lengths.

pub fn contains(self, value: impl Into<String>) -> Expr

Return whether a string list contains value.

Trait Implementations

impl Clone for ListExpr

fn clone(&self) -> ListExpr

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ListExpr

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

Formats the value using the given formatter.

impl PartialEq for ListExpr

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ListExpr