FEAT: support for literal and `get` arguments in functions spec block.
FEAT: support for literal and `get` arguments in functions spec block.

Example:
    foo: func ['a :b][probe a probe b]
    foo test (1 + 2)
will output:
    test (1 + 2)

red-eco/red,vehar/red,NikolayShubenkovProgSchool/red,vehar/red,rheber/red,NikolayShubenkovProgSchool/red,red-eco/red,iArnold/red,iArnold/red,rheber/red