--- parse tree ---
[ Code
    "test/typ/layout/container-03.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/container-03.typ"
                                 ( line 1 , column 47 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "x")) ])
                             , Space
                             , Text "/"
                             , Text "="
                             , Space
                             , Code
                                 "test/typ/layout/container-03.typ"
                                 ( line 1 , column 59 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "y")) ])
                             , Text ")"
                             ])
                      )
                    ]
                ]))))
, SoftBreak
, Comment
, Text "Hello"
, Space
, Code
    "test/typ/layout/container-03.typ"
    ( line 3 , column 8 )
    (FuncCall
       (Ident (Identifier "box"))
       [ KeyValArg (Identifier "width") (Literal (Numeric 1.0 Fr))
       , NormalArg
           (FuncCall
              (Ident (Identifier "rect"))
              [ KeyValArg (Identifier "height") (Literal (Numeric 0.7 Em))
              , KeyValArg (Identifier "width") (Literal (Numeric 100.0 Percent))
              ])
       ])
, Space
, Text "World"
, ParBreak
]
--- evaluated ---
document(body: { text(body: [
]), 
                 text(body: [Hello ]), 
                 box(body: rect(height: 0.7em, 
                                width: 100%), 
                     width: 1.0fr), 
                 text(body: [ World]), 
                 parbreak() })