ArgumentError class Null safety

Error thrown when a function is passed an unacceptable argument.

Inheritance
Implementers

Constructors

ArgumentError([dynamic message, @Since("2.14") String? name])
Creates an error with message describing the problem with an argument.
ArgumentError.notNull([String? name])
Creates an argument error for a null argument that must not be null.
ArgumentError.value(dynamic value, [String? name, dynamic message])
Creates error containing the invalid value.

Properties

hashCode → int
The hash code for this object.
read-only, inherited
invalidValue → dynamic
The invalid value.
final
message → dynamic
Message describing the problem.
final
name → String?
Name of the invalid argument, if available.
final
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited
stackTrace → StackTrace?
The stack trace at the point where this error was first thrown.
read-only, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toString() → String
A string representation of this object.
override

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Static Methods

checkNotNull<@Since("2.8") T>(T? argument, [String? name]) → T
Throws if argument is null.
@Since("2.1")