Mapping functions

Mapping Methods

The Mapping object provides following methods:

Method Description
"clear" Empties the mapping.
"contains" Returns true if the key is already in the mapping.
"count" Returns the number of keys.
"insert" Insert a key/value pair.
"isEmpty" Returns true if the mapping is empty.
"keys" Returns a list containing all the keys in a mapping in an arbitrary order.
"merge" Merges two mappings.
"keyAt" Returns the key at the given mapping index.
"merged" Creates a new instance from merging two mappings
"value" Returns the value at given key.
"valueAt" Returns the value at the given mapping index.
"values" Returns a list containing all values in a mapping, in an arbitrary order. The order is the same as that used by keys().

Mapping Specific Functions

The following functions are used for the handling of mappings: