Oz/Mozart

Factorial (1)

Michael Neumann

declare
Fact = proc {$ N Z}
          if N > 1 then Z = N * {Fact N-1}
          else Z = 1 end
       end

local Z in
   {Fact 6 Z} {Browse ['Fact(6) = ' Z]}
end

Calculates the factorial. Results 720.

Factorial (2)

Michael Neumann

declare
proc {Fact N Z}
   if N > 1 then Z = N * {Fact N-1}
   else Z = 1 end
end

local Z in
   {Fact 6 Z} {Browse ['Fact(6) = ' Z]}
end

Calculates the factorial. Results 720.

Factorial (3)

Michael Neumann

declare
proc {Fact N Z}
   case N
   of 0 then Z = 1
   [] X then Z = X * {Fact X-1}
   end
end

local
   Z
in
   {Fact 6 Z} {Browse ['Fact(6) = ' Z]}
end

Calculates the factorial. Results 720.

Factorial (4)

Michael Neumann

declare
fun {Fact N}
   case N
   of 0 then 1
   [] X then X * {Fact X-1}
   end
end

{Browse ['Fact(6) = ' {Fact 6}]}

Calculates the factorial. Results 720.

Hello World

Michael Neumann

% Hello World!!!

{Show 'Hello World'}

Prints "Hello World" onto the screen.

Hello World (2)

Michael Neumann

% Compile:
%   > ozc -x hw.oz
% Run:
%   > ./hw
functor
import
  Application
  System
define
  {System.printInfo "Hello World\n"}
  {Application.exit 0}
end

Prints "Hello World" onto the screen.

Squares (1)

Michael Neumann

local ShowIt T in

   proc {ShowIt T}
      {Show T*T}
   end

   {For 1 10 1 ShowIt}
end

Outputs the squares from 1 to 10.

Squares (2)

Martin Henz

for I in 1..10 do {Show I*I} end

Outputs the squares from 1 to 10.