void operator []=(
K key,
V value
)

Associates the key with the given value.

If the key was already in the map, its associated value is changed. Otherwise the key-value pair is added to the map.

Source

/**
 * Associates the [key] with the given [value].
 *
 * If the key was already in the map, its associated value is changed.
 * Otherwise the key-value pair is added to the map.
 */
void operator []=(K key, V value);