Abstract type: Difference between revisions

'''Task''': show how an abstract type can be declared in the language. If the language makes a distinction between interfaces and partially implemented types illustrate both.

 

 

=={{header|ABAP}}==

{{omit from|Fortran}}

{{omit from|Factor|Factor is a dynamic language. You could of course do the solution of python/ruby (throw exceptions for unimplemented methods)}}

{{omit from|gnuplot}}

{{omit from|Integer BASIC}}

{{omit from|Metafont}}

{{omit from|ML/I}}

{{omit from|MOO}}

{{omit from|NSIS}}

{{omit from|Scratch}}

{{omit from|TI-89 BASIC|Does not have static or user-defined types.}}

{{omit from|UNIX Shell}}

{{omit from|ZX Spectrum Basic}}