Struct ExprArena 

pub struct ExprArena { /* private fields */ }

Implementations

impl ExprArena

pub fn new() -> ExprArena

pub fn with_capacity(cap: usize) -> ExprArena

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn push(&mut self, node: ExprNode) -> ExprId

Panics

Panics if the number of expressions exceeds u32::MAX (expression arena overflow).

pub fn get(&self, id: ExprId) -> &ExprNode

pub fn get_mut(&mut self, id: ExprId) -> &mut ExprNode

pub fn nodes(&self) -> &[ExprNode]

pub fn constant(&mut self, v: f64) -> ExprId

pub fn var(&mut self, v: VarId) -> ExprId

pub fn param(&mut self, p: ParamId) -> ExprId

pub fn linear(&mut self, coeffs: Vec<(VarId, f64)>, constant: f64) -> ExprId

Trait Implementations

impl Clone for ExprArena

fn clone(&self) -> ExprArena

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExprArena

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

Formats the value using the given formatter.

impl Default for ExprArena

fn default() -> ExprArena

Returns the “default value” for a type.