Package genlayer.py.storage.tree_map

Warning

This is an internal module

class genlayer.py.storage.tree_map.Comparable

__init__(*args, **kwargs)

class genlayer.py.storage.tree_map.TreeMap

Represents a mapping from keys to values that can be persisted on the blockchain

Tparam K:

must implement genlayer.py.storage.tree_map.Comparable protocol (“<” is needed) and be storage-allowed

Tparam V:

must be storage-allowed

__init__()

This class can’t be created with TreeMap()

Raises:

TypeError – always

clear() → None.  Remove all items from D.

compute_if_absent(k: K, supplier: Callable[[], V]) → V

Returns:

Value associated with k if it is present, otherwise get’s new value from the supplier, stores it at k and returns

Return type:

V

get(k: K, /) → V | None

get(k: K, /, default: G) → V | G

Returns:

Value associated with k or default if there is no such value

items() → a set-like object providing a view on D's items

Return type:

ItemsView