Reference class Null safety

A reference to symbol, such as a class, or top-level method or field.

References can be collected and collated in order to automatically generate import statements for all used symbols.

Inheritance
Implemented types
Implementers
Annotations

Constructors

Reference(String? symbol, [String? url])
Create a reference to symbol in url.
const

Properties

awaited Expression
This expression preceded by await.
read-only, inherited
code Code
The expression as a valid Code block. [...]
read-only, inherited
expression Expression
May be overridden to support other types implementing Expression.
read-only, override
hashCode int
The hash code for this object. [...]
read-only, override
nullChecked Expression
Applies the null check operator on this expression, returning this !. [...]
read-only, inherited
nullSafeSpread Expression
This expression precenede by the null safe spread operator ?....
read-only, inherited
returned Expression
This expression preceded by return.
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
spread Expression
This expression preceded by the spread operator ....
read-only, inherited
statement Code
The expression as a valid Code block with a trailing ;.
read-only, inherited
symbol String?
Name of the class, method, or field. [...]
final
thrown Expression
This expression preceded by throw.
read-only, inherited
type Reference
Returns as a TypeReference, which allows adding generic type parameters.
read-only
url String?
Relative, package: or dart: URL of the library. [...]
final

Methods

accept<R>(covariant SpecVisitor<R> visitor, [R? context]) → R
override
and(Expression other) Expression
Returns the result of this && other.
inherited
asA(Expression other) Expression
Returns the result of this as other.
inherited
assign(Expression other) Expression
Return {other} = {this}.
inherited
assignConst(String name, [Reference? type]) Expression
Return const {name} = {this}.
inherited
assignFinal(String name, [Reference? type]) Expression
Return final {name} = {this}.
inherited
assignNullAware(Expression other) Expression
Return {other} ??= {this}.
inherited
assignVar(String name, [Reference? type]) Expression
Return var {name} = {this}.
inherited
call(Iterable<Expression> positionalArguments, [Map<String, Expression> namedArguments = const {}, List<Reference> typeArguments = const []]) Expression
Call this expression as a method.
inherited
cascade(String name) Expression
Returns an expression accessing ..<name> on this expression.
inherited
conditional(Expression whenTrue, Expression whenFalse) Expression
inherited
constInstance(Iterable<Expression> positionalArguments, [Map<String, Expression> namedArguments = const {}, List<Reference> typeArguments = const []]) Expression
Returns a const instance of this expression.
constInstanceNamed(String name, Iterable<Expression> positionalArguments, [Map<String, Expression> namedArguments = const {}, List<Reference> typeArguments = const []]) Expression
Returns a const instance of this expression with a named constructor.
equalTo(Expression other) Expression
Returns the result of this == other.
inherited
greaterOrEqualTo(Expression other) Expression
Returns the result of this >= other.
inherited
greaterThan(Expression other) Expression
Returns the result of this > other.
inherited
ifNullThen(Expression other) Expression
Return {other} ?? {this}.
inherited
index(Expression index) Expression
Returns accessing the index operator ([]) on this.
inherited
isA(Expression other) Expression
Returns the result of this is other.
inherited
isNotA(Expression other) Expression
Returns the result of this is! other.
inherited
lessOrEqualTo(Expression other) Expression
Returns the result of this <= other.
inherited
lessThan(Expression other) Expression
Returns the result of this < other.
inherited
negate() Expression
Returns the result of !this.
inherited
newInstance(Iterable<Expression> positionalArguments, [Map<String, Expression> namedArguments = const {}, List<Reference> typeArguments = const []]) Expression
Returns a new instance of this expression.
newInstanceNamed(String name, Iterable<Expression> positionalArguments, [Map<String, Expression> namedArguments = const {}, List<Reference> typeArguments = const []]) Expression
Returns a new instance of this expression with a named constructor.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
notEqualTo(Expression other) Expression
Returns the result of this != other.
inherited
nullSafeProperty(String name) Expression
Returns an expression accessing ?.<name> on this expression.
inherited
operatorAdd(Expression other) Expression
Returns the result of this + other.
inherited
operatorDivide(Expression other) Expression
Returns the result of this / other.
inherited
operatorEuclideanModulo(Expression other) Expression
Returns the result of this % other.
inherited
operatorMultiply(Expression other) Expression
Returns the result of this * other.
inherited
operatorSubstract(Expression other) Expression
Returns the result of this - other.
inherited
or(Expression other) Expression
Returns the result of this || other.
inherited
property(String name) Expression
Returns an expression accessing .<name> on this expression.
inherited
toString() String
A string representation of this object. [...]
override

Operators

operator ==(Object other) bool
The equality operator. [...]
override