FunctionRuntimeType class

Runtime model of a function type such as int Function(String, [double]) or void Function({int count}). Subtyping is structural: return type covariant, parameters contravariant, arities and named-parameter shape must line up.

Implemented types

• RuntimeType

Constructors

FunctionRuntimeType({required RuntimeType returnType, List<RuntimeType> positionalParameterTypes = const [], List<RuntimeType> optionalPositionalParameterTypes = const [], Map<String, RuntimeType> namedParameterTypes = const {}})

const

FunctionRuntimeType.untyped()

A function type with no declared shape — used as the default for callables whose parameter/return annotations could not be resolved. It matches any other function type.

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

name → String

The name of the type.

no setter, override

namedParameterTypes → Map<String, RuntimeType>

final

optionalPositionalParameterTypes → List<RuntimeType>

final

positionalParameterTypes → List<RuntimeType>

final

returnType → RuntimeType

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

isSubtypeOf(RuntimeType other, {Object? value}) → bool

Checks if this type is a subtype of other.

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