Struct UpdateFieldChain 

pub struct UpdateFieldChain { /* private fields */ }

A chain of UpdateField operations.

Implementations

impl UpdateFieldChain

pub fn new() -> Self

pub fn assign( self, field: impl Into<String>, value: impl Into<Arg>, opts: UpdateFieldOptions, ) -> Self

pub fn incr(self, field: impl Into<String>, opts: UpdateFieldOptions) -> Self

pub fn decr(self, field: impl Into<String>, opts: UpdateFieldOptions) -> Self

pub fn add( self, field: impl Into<String>, value: impl Into<Arg>, opts: UpdateFieldOptions, ) -> Self

pub fn sub( self, field: impl Into<String>, value: impl Into<Arg>, opts: UpdateFieldOptions, ) -> Self

pub fn mul( self, field: impl Into<String>, value: impl Into<Arg>, opts: UpdateFieldOptions, ) -> Self

pub fn div( self, field: impl Into<String>, value: impl Into<Arg>, opts: UpdateFieldOptions, ) -> Self

pub fn build(self) -> Vec<(String, UpdateValue)>

Trait Implementations

impl Clone for UpdateFieldChain

fn clone(&self) -> UpdateFieldChain

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for UpdateFieldChain

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

Formats the value using the given formatter.

impl Default for UpdateFieldChain

fn default() -> UpdateFieldChain

Returns the “default value” for a type.