SelectExpression class final

A pattern selection: chooses one of several [key] pattern variants based on the value of selector.

Exactly one variant must be marked as the default (chosen when no other variant matches at runtime). Per spec, SelectExpression is itself an Expression but NOT an InlineExpression — it cannot be nested inside another expression position; it can only appear as the sole expression of a placeable.

Inheritance

• Object
• FluentNode
• SyntaxNode
• Expression
• SelectExpression

Constructors

SelectExpression(InlineExpression selector, List<Variant> variants, {Span? span})

Selects among variants by the selector's value.

const

Properties

defaultVariant → Variant

The default variant. Asserts that exactly one is marked default.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

selector → InlineExpression

The expression whose value picks a variant.

final

span → Span?

Source range this node covers; null when spans were off.

final

variants → List<Variant>

Every variant, in source order; exactly one is the default.

final

Methods

clone() → SelectExpression

Deep clone of this node.

override

equals(FluentNode other, {bool ignoreSpans = true}) → bool

Structural equality.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited