Enum r::object::Obj

pub enum Obj {
    Null,
    Vector(Vector),
    List(List),
    Expr(Expr),
    Promise(Option<Box<Obj>>, Expr, Rc<Environment>),
    Function(ExprList, Expr, Rc<Environment>),
    Environment(Rc<Environment>),
}

Variants

Null

Vector(Vector)

List(List)

Expr(Expr)

Promise(Option<Box<Obj>>, Expr, Rc<Environment>)

Function(ExprList, Expr, Rc<Environment>)

Environment(Rc<Environment>)

Implementations

impl Obj

pub fn type_of(&self) -> String

pub fn with_visibility(self, visibility: bool) -> EvalResult

pub fn force(self, stack: &mut CallStack) -> EvalResult

pub fn assign(self, value: Obj) -> EvalResult

pub fn as_list(&self) -> EvalResult

pub fn as_integer(self) -> EvalResult

pub fn as_double(self) -> EvalResult

pub fn as_logical(self) -> EvalResult

pub fn as_character(self) -> EvalResult

pub fn as_vector(self) -> EvalResult

pub fn into_usize(&self) -> Result<usize, Signal>

pub fn get(&self, index: usize) -> Option<Obj>

pub fn environment(&self) -> Option<Rc<Environment>>

pub fn try_set_named(&mut self, name: &str, value: Obj) -> EvalResult

Used for $-assignment.

pub fn try_get_named_mut(&mut self, name: &str) -> EvalResult

Used for $-assignment.

pub fn try_get_named(&mut self, name: &str) -> EvalResult

Used for $-access.

pub fn try_get(&self, index: Obj) -> EvalResult

pub fn try_get_inner(&self, index: Obj) -> EvalResult

pub fn try_get_inner_mut(&self, index: Obj) -> EvalResult

pub fn len(&self) -> Option<usize>

pub fn is_empty(&self) -> bool

Trait Implementations

impl Add for Obj

type Output = Result<Obj, Signal>

The resulting type after applying the + operator.

fn add(self, rhs: Self) -> EvalResult

Performs the + operation.

impl BitAnd for Obj

type Output = Result<Obj, Signal>

The resulting type after applying the & operator.

fn bitand(self, rhs: Self) -> Self::Output

Performs the & operation.

impl BitOr for Obj

type Output = Result<Obj, Signal>

The resulting type after applying the | operator.

fn bitor(self, rhs: Self) -> Self::Output

Performs the | operation.

impl Callable for Obj

fn call(&self, args: ExprList, stack: &mut CallStack) -> EvalResult

fn call_matched( &self, args: List, ellipsis: List, stack: &mut CallStack, ) -> EvalResult

fn match_args( &self, args: List, stack: &mut CallStack, ) -> Result<(List, List), Signal>

fn match_arg_exprs( &self, args: ExprList, stack: &mut CallStack, ) -> Result<(List, List), Signal>

fn call_mut(&self, args: ExprList, stack: &mut CallStack) -> EvalResult

fn call_assign( &self, value: Expr, args: ExprList, stack: &mut CallStack, ) -> EvalResult

impl CallableFormals for Obj

fn formals(&self) -> ExprList

impl Clone for Obj

fn clone(&self) -> Obj

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Context for Obj

fn env(&self) -> Rc<Environment>

fn eval_mut(&mut self, expr: Expr) -> EvalResult

fn eval(&mut self, expr: Expr) -> EvalResult

fn get(&mut self, name: String) -> EvalResult

fn get_mut(&mut self, name: String) -> EvalResult

fn get_ellipsis(&mut self) -> EvalResult

fn assign_lazy(&mut self, _to: Expr, _from: Expr) -> EvalResult

fn assign(&mut self, _to: Expr, _from: Obj) -> EvalResult

fn eval_call(&mut self, expr: Expr) -> EvalResult

fn eval_call_mut(&mut self, expr: Expr) -> EvalResult

fn eval_in(&mut self, expr: Expr, env: Rc<Environment>) -> EvalResult

fn eval_and_finalize(&mut self, expr: Expr) -> EvalResult

fn eval_binary(&mut self, exprs: (Expr, Expr)) -> Result<(Obj, Obj), Signal>

fn eval_list_lazy(&mut self, l: ExprList) -> EvalResult

impl Debug for Obj

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

Formats the value using the given formatter.

impl Default for Obj

fn default() -> Obj

Returns the “default value” for a type.

impl Display for Obj

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

Formats the value using the given formatter.

impl Div for Obj

type Output = Result<Obj, Signal>

The resulting type after applying the / operator.

fn div(self, rhs: Self) -> Self::Output

Performs the / operation.

impl Format for Obj

fn rfmt_infix(s: &str, args: &ExprList) -> String

where Self: Sized,

fn rfmt_infix_with(s: &str, _state: FormatState, args: &ExprList) -> String

where Self: Sized,

fn rfmt(&self) -> String

fn rfmt_with(&self, _state: FormatState) -> String

fn rfmt_call(&self, args: &ExprList) -> String

fn rfmt_call_with(&self, _state: FormatState, _args: &ExprList) -> String

impl<T> From<T> for Obj

where Vector: From<T>,

fn from(value: T) -> Self

Converts to this type from the input type.

impl Mul for Obj

type Output = Result<Obj, Signal>

The resulting type after applying the * operator.

fn mul(self, rhs: Self) -> Self::Output

Performs the * operation.

impl Neg for Obj

type Output = Result<Obj, Signal>

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl Not for Obj

type Output = Result<Obj, Signal>

The resulting type after applying the ! operator.

fn not(self) -> Self::Output

Performs the unary ! operation.

impl PartialEq for Obj

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Pow<Obj> for Obj

type Output = Result<Obj, Signal>

fn power(self, rhs: Self) -> Self::Output

raise self to the rhs power

impl Rem for Obj

type Output = Result<Obj, Signal>

The resulting type after applying the % operator.

fn rem(self, rhs: Self) -> Self::Output

Performs the % operation.

impl Sub for Obj

type Output = Result<Obj, Signal>

The resulting type after applying the - operator.

fn sub(self, rhs: Self) -> EvalResult

Performs the - operation.

impl TryFrom<Obj> for Character

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: Obj) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Obj> for Logical

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: Obj) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Obj> for Double

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: Obj) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Obj> for Integer

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: Obj) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Obj> for Subset

type Error = Signal

The type returned in the event of a conversion error.

fn try_from(value: Obj) -> Result<Self, Self::Error>

Performs the conversion.

impl TryInto<Rep<Obj>> for Obj

type Error = Signal

The type returned in the event of a conversion error.

fn try_into(self) -> Result<List, Self::Error>

Performs the conversion.

impl TryInto<Vec<f64>> for Obj

type Error = Signal

The type returned in the event of a conversion error.

fn try_into(self) -> Result<Vec<f64>, Self::Error>

Performs the conversion.

impl TryInto<bool> for Obj

type Error = Signal

The type returned in the event of a conversion error.

fn try_into(self) -> Result<bool, Self::Error>

Performs the conversion.

impl TryInto<f64> for Obj

type Error = Signal

The type returned in the event of a conversion error.

fn try_into(self) -> Result<f64, Self::Error>

Performs the conversion.

impl TryInto<i32> for Obj

type Error = Signal

The type returned in the event of a conversion error.

fn try_into(self) -> Result<i32, Self::Error>

Performs the conversion.

impl VecPartialCmp<Obj> for Obj

type Output = Result<Obj, Signal>

fn vec_gt(self, rhs: Self) -> Self::Output

fn vec_gte(self, rhs: Self) -> Self::Output

fn vec_lt(self, rhs: Self) -> Self::Output

fn vec_lte(self, rhs: Self) -> Self::Output

fn vec_eq(self, rhs: Self) -> Self::Output

fn vec_neq(self, rhs: Self) -> Self::Output

impl ViewMut for Obj

fn view_mut(&self) -> Self