void add(
E value
)

Adds value to the end of this list, extending the length by one.

Throws an UnsupportedError if the list is fixed-length.

Source

/**
 * Adds [value] to the end of this list,
 * extending the length by one.
 *
 * Throws an [UnsupportedError] if the list is fixed-length.
 */
void add(E value);