DictionaryInterface class abstract Document

Defines a set of methods for readonly accessing Dictionary data.

Implemented types

Implementers

Constructors

hashCode → int: The hash code for this object.
no setterinherited
keys → List<String>: The keys of the entries in this dictionary.
no setter
length → int: The number of entries in this dictionary.
no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

array(String key) → Array?: Returns the value for the given key as an Array.
blob(String key) → Blob?: Returns the value for the given key as a Blob.
boolean(String key) → bool: Returns the value for the given key as a bool.
contains(String key) → bool: Returns whether an entry with the given key exists in this dictionary.
date(String key) → DateTime?: Returns the value for the given key as a DateTime.
dictionary(String key) → Dictionary?: Returns the value for the given key as a Dictionary.
float(String key) → double: Returns the value for the given key as a floating point number.
integer(String key) → int: Returns the value for the given key as an integer number.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
number(String key) → num?: Returns the value for the given key as a num.
string(String key) → String?: Returns the value for the given key as a String.
toPlainMap() → Map<String, Object?>: Deeply converts this dictionary into a representation of plain Dart objects and returns it.
toString() → String: A string representation of this object.
inherited
value<T extends Object>(String key) → T?: Returns the value for the given key.

operator ==(Object other) → bool: The equality operator.
inherited
operator [](String key) → Fragment: Returns a Fragment for the value at the given key.
inherited