--- parse tree ---
[ Code
    "test/typ/layout/grid-4-00.typ"
    ( line 1 , column 2 )
    (Let
       (BasicBind (Just (Identifier "test")))
       (FuncExpr
          [ NormalParam (Identifier "x") , NormalParam (Identifier "y") ]
          (Block
             (CodeBlock
                [ If
                    [ ( Equals (Ident (Identifier "x")) (Ident (Identifier "y"))
                      , Block (Content [ Text "\9989" ])
                      )
                    , ( Literal (Boolean True)
                      , Block
                          (Content
                             [ Text "\10060"
                             , Text "("
                             , Code
                                 "test/typ/layout/grid-4-00.typ"
                                 ( line 1 , column 47 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "x")) ])
                             , Space
                             , Text "/"
                             , Text "="
                             , Space
                             , Code
                                 "test/typ/layout/grid-4-00.typ"
                                 ( line 1 , column 59 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "y")) ])
                             , Text ")"
                             ])
                      )
                    ]
                ]))))
, SoftBreak
, Comment
, Code
    "test/typ/layout/grid-4-00.typ"
    ( line 3 , column 2 )
    (FuncCall
       (Ident (Identifier "grid"))
       [ KeyValArg
           (Identifier "columns")
           (Array
              [ Reg (Literal Auto) , Reg (Literal (Numeric 60.0 Percent)) ])
       , KeyValArg
           (Identifier "rows")
           (Array [ Reg (Literal Auto) , Reg (Literal Auto) ])
       , NormalArg
           (FuncCall
              (Ident (Identifier "rect"))
              [ KeyValArg (Identifier "width") (Literal (Numeric 50.0 Percent))
              , KeyValArg (Identifier "height") (Literal (Numeric 0.5 Cm))
              , KeyValArg (Identifier "fill") (Ident (Identifier "green"))
              ])
       , NormalArg
           (FuncCall
              (Ident (Identifier "rect"))
              [ KeyValArg (Identifier "width") (Literal (Numeric 100.0 Percent))
              , KeyValArg (Identifier "height") (Literal (Numeric 0.5 Cm))
              , KeyValArg (Identifier "fill") (Ident (Identifier "eastern"))
              ])
       , NormalArg
           (FuncCall
              (Ident (Identifier "rect"))
              [ KeyValArg (Identifier "width") (Literal (Numeric 50.0 Percent))
              , KeyValArg (Identifier "height") (Literal (Numeric 0.5 Cm))
              , KeyValArg (Identifier "fill") (Ident (Identifier "red"))
              ])
       ])
, ParBreak
]
--- evaluated ---
document(body: { text(body: [
]), 
                 grid(children: (rect(fill: rgb(18%,80%,25%,100%), 
                                      height: 0.5cm, 
                                      width: 50%), 
                                 rect(fill: rgb(13%,61%,67%,100%), 
                                      height: 0.5cm, 
                                      width: 100%), 
                                 rect(fill: rgb(100%,25%,21%,100%), 
                                      height: 0.5cm, 
                                      width: 50%)), 
                      columns: (auto, 60%), 
                      rows: (auto, auto)), 
                 parbreak() })