--- parse tree ---
[ Code
    "test/typ/meta/counter-02.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/meta/counter-02.typ"
                                 ( line 1 , column 47 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "x")) ])
                             , Space
                             , Text "/"
                             , Text "="
                             , Space
                             , Code
                                 "test/typ/meta/counter-02.typ"
                                 ( line 1 , column 59 )
                                 (FuncCall
                                    (Ident (Identifier "repr"))
                                    [ NormalArg (Ident (Identifier "y")) ])
                             , Text ")"
                             ])
                      )
                    ]
                ]))))
, SoftBreak
, Comment
, Code
    "test/typ/meta/counter-02.typ"
    ( line 3 , column 2 )
    (Set
       (Ident (Identifier "heading"))
       [ KeyValArg (Identifier "numbering") (Literal (String "1.a.")) ])
, SoftBreak
, Code
    "test/typ/meta/counter-02.typ"
    ( line 4 , column 2 )
    (Show
       (Just (Ident (Identifier "heading")))
       (Set
          (Ident (Identifier "text"))
          [ NormalArg (Literal (Numeric 10.0 Pt)) ]))
, SoftBreak
, Code
    "test/typ/meta/counter-02.typ"
    ( line 5 , column 2 )
    (FuncCall
       (FieldAccess
          (Ident (Identifier "step"))
          (FuncCall
             (Ident (Identifier "counter"))
             [ NormalArg (Ident (Identifier "heading")) ]))
       [])
, ParBreak
, Heading 1 [ Text "Alpha" ]
, Text "In"
, Space
, Code
    "test/typ/meta/counter-02.typ"
    ( line 8 , column 5 )
    (FuncCall
       (FieldAccess
          (Ident (Identifier "display"))
          (FuncCall
             (Ident (Identifier "counter"))
             [ NormalArg (Ident (Identifier "heading")) ]))
       [])
, SoftBreak
, Heading 2 [ Text "Beta" ]
, Code
    "test/typ/meta/counter-02.typ"
    ( line 11 , column 2 )
    (Set
       (Ident (Identifier "heading"))
       [ KeyValArg (Identifier "numbering") (Literal None) ])
, SoftBreak
, Heading 1 [ Text "Gamma" ]
, Code
    "test/typ/meta/counter-02.typ"
    ( line 13 , column 2 )
    (FuncCall
       (Ident (Identifier "heading"))
       [ KeyValArg (Identifier "numbering") (Literal (String "I."))
       , BlockArg [ Text "Delta" ]
       ])
, ParBreak
, Text "At"
, Space
, Text "Beta,"
, Space
, Text "it"
, Space
, Text "was"
, Space
, Code
    "test/typ/meta/counter-02.typ"
    ( line 15 , column 18 )
    (FuncCall
       (Ident (Identifier "locate"))
       [ NormalArg
           (FuncExpr
              [ NormalParam (Identifier "loc") ]
              (Block
                 (CodeBlock
                    [ Let
                        (BasicBind (Just (Identifier "it")))
                        (FuncCall
                           (FieldAccess
                              (Ident (Identifier "find"))
                              (FuncCall
                                 (Ident (Identifier "query"))
                                 [ NormalArg (Ident (Identifier "heading"))
                                 , NormalArg (Ident (Identifier "loc"))
                                 ]))
                           [ NormalArg
                               (FuncExpr
                                  [ NormalParam (Identifier "it") ]
                                  (Equals
                                     (FieldAccess
                                        (Ident (Identifier "body")) (Ident (Identifier "it")))
                                     (Block (Content [ Text "Beta" ]))))
                           ])
                    , FuncCall
                        (Ident (Identifier "numbering"))
                        [ NormalArg
                            (FieldAccess
                               (Ident (Identifier "numbering")) (Ident (Identifier "it")))
                        , SpreadArg
                            (FuncCall
                               (FieldAccess
                                  (Ident (Identifier "at"))
                                  (FuncCall
                                     (Ident (Identifier "counter"))
                                     [ NormalArg (Ident (Identifier "heading")) ]))
                               [ NormalArg
                                   (FuncCall
                                      (FieldAccess
                                         (Ident (Identifier "location")) (Ident (Identifier "it")))
                                      [])
                               ])
                        ]
                    ])))
       ])
, ParBreak
]
--- evaluated ---
document(body: { text(body: [
]), 
                 text(body: [
]), 
                 text(body: [
]), 
                 parbreak(), 
                 heading(body: text(body: [Alpha]), 
                         level: 1, 
                         numbering: "1.a."), 
                 text(body: [In ]), 
                 text(body: [1]), 
                 text(body: [
]), 
                 heading(body: text(body: [Beta]), 
                         level: 2, 
                         numbering: "1.a."), 
                 text(body: [
]), 
                 heading(body: text(body: [Gamma]), 
                         level: 1, 
                         numbering: none), 
                 heading(body: text(body: [Delta]), 
                         numbering: "I."), 
                 parbreak(), 
                 text(body: [At Beta, it was ]), 
                 locate(func: ), 
                 parbreak() })