# Computed constructors

# Element constructor
element book { "content" }

# Element with nested elements
element catalog { element item { "first" } }

# Attribute constructor
attribute id { "123" }

# Element with attribute
element entry { attribute id { "1" }, "text content" }

# Document constructor
document { element root { "data" } }

# Text constructor
text { "hello world" }

# Comment constructor
comment { "this is a comment" }

# Processing instruction
processing-instruction xml-stylesheet { "type='text/xsl'" }

# Element with FLWOR content
element results { for $x in //item return element row { $x/name } }

# Nested constructors
element outer { element inner { attribute type { "test" }, "value" } }