RangeError class Null safety

Error thrown due to a value being outside a valid range.

Inheritance
Implementers

Constructors

RangeError(dynamic message)
Create a new RangeError with the given message.
RangeError.index(int index, dynamic indexable, [String? name, String? message, int? length])
Creates a new RangeError stating that index is not a valid index into indexable.
factory
RangeError.range(num invalidValue, int? minValue, int? maxValue, [String? name, String? message])
Create a new RangeError for a value being outside the valid range.
RangeError.value(num value, [String? name, String? message])
Create a new RangeError with a message for the given value.

Properties

end → num?
The maximum value that value is allowed to assume.
final
hashCode → int
The hash code for this object.
read-onlyinherited
invalidValue → dynamic
The invalid value.
finalinherited
message → dynamic
Message describing the problem.
finalinherited
name → String?
Name of the invalid argument, if available.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited
stackTrace → StackTrace?
The stack trace at the point where this error was first thrown.
read-onlyinherited
start → num?
The minimum value that value is allowed to assume.
final

Methods

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

Operators

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

Static Methods

checkNotNegative(int value, [String? name, String? message]) → int
Check that an integer value is non-negative.
checkValidIndex(int index, dynamic indexable, [String? name, int? length, String? message]) → int
Check that index is a valid index into an indexable object.
checkValidRange(int start, int? end, int length, [String? startName, String? endName, String? message]) → int
Check that a range represents a slice of an indexable object.
checkValueInInterval(int value, int minValue, int maxValue, [String? name, String? message]) → int
Check that an integer value lies in a specific interval.