pub enum ExprAST {
    Number(f64),
    Variable(String),
    Binary(char, Box<ExprAST>, Box<ExprAST>),
    Call(String, Vec<ExprAST>),
    If {
        cond: Box<ExprAST>,
        then: Box<ExprAST>,
        else_: Box<ExprAST>,
    },
    For {
        var: String,
        start: Box<ExprAST>,
        end: Box<ExprAST>,
        step: Option<Box<ExprAST>>,
        body: Box<ExprAST>,
    },
}

Variants§

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Number(f64)

Number - Expression class for numeric literals like “1.0”.

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Variable(String)

Variable - Expression class for referencing a variable, like “a”.

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Binary(char, Box<ExprAST>, Box<ExprAST>)

Binary - Expression class for a binary operator.

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Call(String, Vec<ExprAST>)

Call - Expression class for function calls.

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If

Fields

§cond: Box<ExprAST>
§then: Box<ExprAST>
§else_: Box<ExprAST>

If - Expression class for if/then/else.

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For

Fields

§start: Box<ExprAST>
§body: Box<ExprAST>

ForExprAST - Expression class for for/in.

Trait Implementations§

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impl Debug for ExprAST

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

Formats the value using the given formatter. Read more
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impl PartialEq<ExprAST> for ExprAST

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for ExprAST

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.