fix(compiler): Refactor values [fixes LNG-57]

[InversionSpaces]

No description provided.

[linear]

LNG-57 `if Op.identity(stream)! == "OK"` doesn't parse

Version

0.7.2-303

Code

import "fluencelabs/aqua-lib/builtin.aqua"

func bug():
    stream: *string
    if Op.identity(stream)! == "OK":
        Op.noop()

Error

 % aqua run -i stream_bug.aqua -f 'bug()' --addr krasnodar-01
---- Syntax error: /Users/folex/Development/aqua_scripts/stream_bug.aqua:5:27
5     if Op.identity(stream)! == "OK":
                            ^=========
                            Expected symbol ':'

---- Syntax error: /Users/folex/Development/aqua_scripts/stream_bug.aqua:5:8
5     if Op.identity(stream)! == "OK":
         ^============================
         Expected one of these strings: '<<-'
         OR Expected symbol ':'
         OR Expected symbol '='
         OR Missing braces '()' after the function call (List(Expected symbol '('))
         OR Only results of a function call can be written to a stream

---- Syntax error: /Users/folex/Development/aqua_scripts/stream_bug.aqua:5:5
5     if Op.identity(stream)! == "OK":
      ^===============================
      Expected one of these strings: '<-', 'catch', 'co', 'else', 'for', 'join', 'on', 'otherwise', 'par', 'try'
      OR Expected symbols from 'A' to 'Z'