Category: Built-In Types

Brief Description

Dictionary type.

Member Functions

void clear ( )
bool empty ( )
void erase ( var key )
bool has ( var key )
bool has_all ( Array keys )
int hash ( )
Array keys ( )
int parse_json ( String json )
int size ( )
String to_json ( )
Array values ( )


Dictionary type. Associative container which contains values referenced by unique keys. Dictionaries are always passed by reference.

Member Function Description

  • void clear ( )

Clear the dictionary, removing all key/value pairs.

Return true if the dictionary is empty.

  • void erase ( var key )

Erase a dictionary key/value pair by key.

  • bool has ( var key )

Return true if the dictionary has a given key.

Return true if the dictionary has all of the keys in the given array.

Return a hashed integer value representing the dictionary contents.

Return the list of keys in the Dictionary.

Parse JSON text to the dictionary. Return OK when successed or the error code when failed.

Be aware that the JSON specification does not define integer or float types, but only a number type. Therefore, parsing a JSON text will convert every numerical values to float types.

Return the size of the dictionary (in pairs).

Return the dictionary as json text.

Return the list of values in the Dictionary.