T2 [10]struct{ f T2 }     // T2 contains T2 as component of a struct
	T3 [10]T4                 // T3 contains T3 as component of a struct in T4
	T4 struct{ f T3 }         // T4 contains T4 as component of array T3 in a struct
)

// valid array types
type (
	T5 [10]*T5                // T5 contains T5 as component of a pointer
	T6 [10]func() T6          // T6 contains T6 as component of a function type

  </mime-type>
  <mime-type type="application/x-x509-key;format=der">
    <sub-class-of type="application/x-x509-key"/>
    <!-- These are just a bunch of magic integers as defined by the key format... -->
    <!-- Always seem to have a version integer as their first entry, -->
    <!--  normally 00, 01 or 02, check for that -->
    <magic priority="40">
      <match value="0x3080020100" type="string"

pkg debug/elf, type Symbol struct, Library string
pkg debug/elf, type Symbol struct, Version string
pkg encoding/csv, method (*ParseError) Unwrap() error
pkg encoding/json, method (*MarshalerError) Unwrap() error
pkg errors, func As(error, interface{}) bool
pkg errors, func Is(error, error) bool
pkg errors, func Unwrap(error) error
pkg go/constant, func Make(interface{}) Value
pkg go/constant, func Val(Value) interface{}