[FEATURE] Cast template type

[vrodedanya]

Is your feature request related to a problem? Please describe. Template functions often requires casting types to T. Current cast functions doesn't provide it

Describe the solution you'd like Add something like cast(var) where T - template type in which we cast our variable

Describe alternatives you've considered Just T(var)? Prefer cast

[vrodedanya]

This feature is needed for templates which current version is terrible and will be reworked, so I think this issue is not in priority