string_eq_character Function

   elemental function string_eq_character(lhs, rhs) result(is_it)
   !< Equal to character logical operator.
   !<
   !<```fortran
   !< type(string)                  :: astring
   !< character(len=:), allocatable :: acharacter
   !< logical                       :: test_passed(2)
   !< astring = '  one '
   !< acharacter = 'three'
   !< test_passed(1) = ((astring==acharacter).eqv..false.)
   !< astring = 'the same '
   !< acharacter = 'the same '
   !< test_passed(2) = ((astring==acharacter).eqv..true.)
   !< print '(L1)', all(test_passed)
   !<```
   !=> T <<<
   class(string),             intent(in) :: lhs   !< Left hand side.
   character(kind=CK, len=*), intent(in) :: rhs   !< Right hand side.
   logical                               :: is_it !< Opreator test result.

   is_it = lhs%raw == rhs
   endfunction string_eq_character