x Module
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | ,-> function foo(a, b = c) {
 2 | |   
 3 | `-> }
   `----

  x ModuleItem
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | ,-> function foo(a, b = c) {
 2 | |   
 3 | `-> }
   `----

  x Stmt
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | ,-> function foo(a, b = c) {
 2 | |   
 3 | `-> }
   `----

  x Decl
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | ,-> function foo(a, b = c) {
 2 | |   
 3 | `-> }
   `----

  x FnDecl
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | ,-> function foo(a, b = c) {
 2 | |   
 3 | `-> }
   `----

  x Ident
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :          ^^^
   `----

  x Function
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | ,-> function foo(a, b = c) {
 2 | |   
 3 | `-> }
   `----

  x Param
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :              ^
   `----

  x Pat
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :              ^
   `----

  x Ident
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :              ^
   `----

  x Param
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :                 ^^^^^
   `----

  x Pat
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :                 ^^^^^
   `----

  x AssignPat
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :                 ^^^^^
   `----

  x Pat
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :                 ^
   `----

  x Ident
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :                 ^
   `----

  x Expr
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :                     ^
   `----

  x Ident
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | function foo(a, b = c) {
   :                     ^
   `----

  x BlockStmt
   ,-[$DIR/tests/span/js/decl/fn.js:1:1]
 1 | ,-> function foo(a, b = c) {
 2 | |   
 3 | `-> }
   `----