Enum ripin::evaluate::IntEvaluator

pub enum IntEvaluator<T: PrimInt + Signed> {
    Add,
    Sub,
    Mul,
    Div,
    Rem,
    Neg,
    Pow,
    Swap,
    Zero,
    One,
    // some variants omitted
}

Basic Signed Integer Evaluator for any type that implement PrimInt and Signed Traits.

Variants

Add

"+" will pop 2 operands and push 1.

Sub

"-" will pop 2 operands and push 1.

Mul

"*" will pop 2 operands and push 1.

Div

"/" will pop 2 operands and push 1.

Rem

"%" will pop 2 operands and push 1.

Neg

"neg" will pop 1 operand and push 1.

Pow

"pow" will pop 2 operands and push 1.

Swap

"swap" will pop 2 operands and push 2.

Zero

"zero" will pop 0 operand and push 1.

One

"zero" will pop 0 operand and push 1.

Trait Implementations

impl<T: Debug + PrimInt + Signed> Debug for IntEvaluator<T>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<T: Copy + PrimInt + Signed> Copy for IntEvaluator<T>

impl<T: Clone + PrimInt + Signed> Clone for IntEvaluator<T>

fn clone(&self) -> IntEvaluator<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: PrimInt + Signed> Evaluate<T> for IntEvaluator<T>

type Err = IntEvaluateErr<T>

The type returned in the event of an evaluation error.

fn operands_needed(&self) -> usize

Returns the number of operand this Evaluator needs and will pop() from the stack.

fn operands_generated(&self) -> usize

Returns the number of operand this Evaluator will generate and will push() in the stack.

fn evaluate(self, stack: &mut Stack<T>) -> Result<(), Self::Err>

Execute the evaluation with the given stack, returns the Evaluation error if something goes wrong.

impl<'a, T: PrimInt + Signed> TryFromRef<&'a str> for IntEvaluator<T>

type Err = IntErr<'a>

The type returned in the event of a conversion error.

fn try_from_ref(expr: &&'a str) -> Result<Self, Self::Err>

Performs the conversion.

impl<T: PrimInt + Signed> Display for IntEvaluator<T>

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

Formats the value using the given formatter.