Release 4.0.0

Changes

• Change context value construction API:
  Use ContextValueSlot to insert constructed value instead of returning it from ContextKey.grow() method.
• Add support for context value setup.
  The setup procedure is issued right after the context value is associated with the key.

Release 3.1.0

New Features

• Add ContextSupply support.
  When available inside context, it is cut off once context is destroyed.
  It is predefined to the supply of context if the latter implements EventSupplyPeer.
  Updatable context key implementations cut off their values supply once context supply is cut off.

Changes

• Make a seed key of updatable keys updatable too.

Fixes

• Correct string representation of value spec in error message

Dependencies

• @proc7ts/a-iterable and @proc7ts/call-thru are no longer peer dependencies.

Release 3.0.1

Improvements

• Optimize simple seed evaluation

Release 3.0.0

Improvements

• Simplify SingleContextKey and MultiContextKey implementations for better performance.

Changes

• SimpleContextKey seed provides single value.
• Add IterativeContextKey which seed is Iterable of its sources
  AIterable is no longer used.
• MultiContextKey extends IterativeContextKey,

Release 2.4.0

Dependencies

• Upgrade to fun-events v9

Release 2.3.1

Bug Fix

• Use nextAfterEvent() instead of nextOnEvent() when working with event keepers.

Release 2.3.0

Bundling

• Extract context-values/updatable sub-module.
  Contains ContextUpKey.
  Depends on fun-events.

Dependencies

• Switch to call-thru v3.
• fun-events is optional peer dependency now.

Release 2.2.2

Dependencies

• fun-events v7.1

Release 2.2.1

Bug Fixes

• Correctly handle undefined fallback value.

Release 2.2.0

New Features

• Add ContextUpKey.upKey - a key of context value containing an updates keeper of this key's value.