Struct StructVal

pub struct StructVal { /* private fields */ }

A container for a struct. A struct is a map from name to value.

Implementations

impl StructVal

pub fn new() -> StructVal

Create a new StructVal.

pub fn with_capacity(cap: usize) -> StructVal

Create a new StructVal with capacity for cap amount of fields.

pub fn len(&self) -> usize

Get the number of fields.

pub fn is_empty(&self) -> bool

Returns true if the struct is empty.

pub fn set(&mut self, symbol: Symbol, value: Val<'static>)

Set the value of symbol to value.

pub fn get(&self, symbol: Symbol) -> Option<UnsafeVal>

Get the value of symbol or None if the value does not exist.

pub fn iter(&self) -> impl '_ + Iterator<Item = (Symbol, UnsafeVal)>

Iterate over all symbol,values within self.

pub fn values(&self) -> impl '_ + Iterator<Item = UnsafeVal>

Iterate over all values within self.

Trait Implementations

impl Clone for StructVal

fn clone(&self) -> StructVal

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StructVal

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

Formats the value using the given formatter.

impl Default for StructVal

fn default() -> StructVal

Returns the “default value” for a type.