Enum endbasic_core::ast::Expr [−][src]
pub enum Expr {
Show 22 variants
Boolean(bool),
Double(f64),
Integer(i32),
Symbol(VarRef),
Text(String),
Add(Box<Expr>, Box<Expr>),
Subtract(Box<Expr>, Box<Expr>),
Multiply(Box<Expr>, Box<Expr>),
Divide(Box<Expr>, Box<Expr>),
Modulo(Box<Expr>, Box<Expr>),
Negate(Box<Expr>),
Equal(Box<Expr>, Box<Expr>),
NotEqual(Box<Expr>, Box<Expr>),
Less(Box<Expr>, Box<Expr>),
LessEqual(Box<Expr>, Box<Expr>),
Greater(Box<Expr>, Box<Expr>),
GreaterEqual(Box<Expr>, Box<Expr>),
And(Box<Expr>, Box<Expr>),
Not(Box<Expr>),
Or(Box<Expr>, Box<Expr>),
Xor(Box<Expr>, Box<Expr>),
Call(VarRef, Vec<Expr>),
}
Expand description
Represents an expression and provides mechanisms to evaluate it.
Variants
Boolean(bool)
A literal boolean value.
Tuple Fields of Boolean
0: bool
Double(f64)
A literal double-precision floating point value.
Tuple Fields of Double
0: f64
Integer(i32)
A literal integer value.
Tuple Fields of Integer
0: i32
Symbol(VarRef)
A reference to a variable.
Tuple Fields of Symbol
0: VarRef
Text(String)
A literal string value.
Tuple Fields of Text
0: String
Arithmetic addition of two expressions.
Arithmetic subtraction of two expressions.
Arithmetic multiplication of two expressions.
Arithmetic division of two expressions.
Arithmetic modulo operation of two expressions.
Arithmetic sign flip of an expression.
Relational equality comparison of two expressions.
Relational inequality comparison of two expressions.
Relational less-than comparison of two expressions.
Relational less-than or equal-to comparison of two expressions.
Relational greater-than comparison of two expressions.
Relational greater-than or equal-to comparison of two expressions.
Logical and of two expressions.
Logical not of an expression.
Logical or of two expressions.
Logical xor of two expressions.
A function call or an array reference.
Implementations
Evaluates the expression to a value.
Symbols are resolved by querying syms
. Errors in the computation are returned via the
special Value::Bad
type.
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for Expr
impl UnwindSafe for Expr
Blanket Implementations
Mutably borrows from an owned value. Read more