x Module
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   : ^^^^^^^^^^^^
   `----

  x ModuleItem
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   : ^^^^^^^^^^^^
   `----

  x Stmt
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   : ^^^^^^^^^^^^
   `----

  x Decl
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   : ^^^^^^^^^^^^
   `----

  x VarDecl
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   : ^^^^^^^^^^^^
   `----

  x VarDeclarator
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   :     ^^^^^^^^
   `----

  x Pat
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   :     ^
   `----

  x Ident
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   :     ^
   `----

  x Expr
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   :         ^^^^
   `----

  x Lit
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   :         ^^^^
   `----

  x Null
   ,-[$DIR/tests/span/js/expr/null.js:1:1]
 1 | let a = null
   :         ^^^^
   `----