Precondition class

A condition to check before performing an operation.

Constructors

Precondition.exists(bool _exists)
Checks that the document exists or not.
Precondition.timestamp(Timestamp _lastUpdateTime)
Checks that the document has last been updated at the specified time.

Properties

hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

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

Operators

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