Struct spacetimedb_primitives::ColListBuilder

pub struct ColListBuilder { /* private fields */ }

A builder for a ColList making sure a non-empty one is built.

Implementations

impl ColListBuilder

pub fn new() -> Self

Returns an empty builder.

pub fn with_capacity(cap: u32) -> Self

Returns an empty builder with a capacity for a list of cap elements.

pub fn push(&mut self, col: ColId)

Push a ColId to the list.

pub fn build(self) -> Result<ColList, EmptyColListError>

Build the ColList or error if it would have been empty.

Trait Implementations

impl Default for ColListBuilder

fn default() -> Self

Returns the “default value” for a type.

impl FromIterator<ColId> for ColListBuilder

fn from_iter<T: IntoIterator<Item = ColId>>(iter: T) -> Self

Creates a value from an iterator.