ArgumentError class Null safety

Error thrown when a function is passed an unacceptable argument.

Inheritance
Implementers

Constructors

ArgumentError([dynamic message])
The message describes the erroneous argument. [...]
ArgumentError.notNull([String? name])
Create 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?
read-only, inherited

Methods

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

Operators

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

Static Methods

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