Enum ExprKind 

pub enum ExprKind {
    Number {
        value: Ratio<i128>,
        text: String,
    },
    Quantity {
        magnitude: Ratio<i128>,
        mag_text: String,
        unit: UnitExpr,
    },
    Length {
        inches: Ratio<i128>,
    },
    Ident {
        name: String,
    },
    Unary {
        op: UnaryOp,
        operand: NodeId,
    },
    Binary {
        op: BinaryOp,
        left: NodeId,
        right: NodeId,
    },
    Call {
        callee: Callee,
        args: Vec<CallArg>,
    },
}

Expression node kinds (grammar §5.2).

Variants

Number

Dimensionless numeric literal.

Fields

value: Ratio<i128>

Exact rational value.

text: String

Normalized source text.

Quantity

Numeric magnitude with attached unit expression.

Fields

magnitude: Ratio<i128>

Magnitude.

mag_text: String

Magnitude source text.

unit: UnitExpr

Attached unit expression.

Length

Length literal from tick notation (12', 6", 12'-6").

Fields

inches: Ratio<i128>

Exact total length in inches.

Ident

Free symbol or unresolved identifier.

Fields

name: String

Identifier text.

Unary

Unary operator.

Fields

op: UnaryOp

Operator.

operand: NodeId

Operand.

Binary

Binary operator.

Fields

op: BinaryOp

Operator.

left: NodeId

Left operand.

right: NodeId

Right operand.

Call

Function or code-equation call.

Fields

callee: Callee

Callee.

args: Vec<CallArg>

Arguments.

Implementations

impl ExprKind

pub fn is_quantity_like(&self) -> bool

Whether this node is a quantity literal (including length ticks).

Trait Implementations

impl Clone for ExprKind

fn clone(&self) -> ExprKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExprKind

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

Formats the value using the given formatter.

impl PartialEq for ExprKind

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ExprKind