Struct Group 

pub struct Group { /* private fields */ }

The Group struct is used to represent a group of items (like those inside of bracets).

Implementations

impl Group

pub fn new() -> Group

Creates an empty group.

pub fn validate(&self) -> Result<(), EquationError>

Checks if the group is a valid equation.

pub fn set_value(&mut self, variable: &str, item: Item)

Sets the value of a variable in the group.

pub fn evaluate(&self) -> Result<f64, EquationError>

Evaluates the value of the group

pub fn list_vars(&self) -> HashSet<String>

Lists the variables that are not set in an equation

Trait Implementations

impl Clone for Group

fn clone(&self) -> Group

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Group

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

Formats the value using the given formatter.

impl From<Group> for Item

fn from(val: Group) -> Self

Converts to this type from the input type.

impl From<Vec<Item>> for Group

fn from(val: Vec<Item>) -> Self

Converts to this type from the input type.