1.7.1

• Fixed various type annotations

1.7.0

• Added template types

1.6.1

• Fix ArrayAccess on fromArraysValue

1.5.3

• Fix ArrayAccess on fromArraysValue

1.6.0

• Drop PHP less than 5.5.9 and HHVM
• Added support for PHP 7.4
• Support callables where reasonable
• Add a lift method to Option
• Switched to PSR-4 autoloading

1.5.2

• Option::fromArraysValue() corrected
• Added official support for PHP 5.6-7.3

1.5.1

• Make license identifier comply to SPDX

API Polishing

This polishes the API a bit, and adds convenience methods for common operations.

Makes Option traversable

This adds the \Traversable release.

1.3.0

simplifies method