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A program that writes itself
$ include "seed7_05.s7i";
const array string: prog is [](
"$ include \"seed7_05.s7i\";",
"const array string: prog is [](",
"const proc: main is func",
" local var integer: number is 0;",
" begin",
" for number range 1 to 2 do writeln(prog[number]); end for;",
" for number range 1 to 11 do",
" writeln(literal(prog[number]) <& \",\");",
" end for;",
" writeln(literal(prog[12]) <& \");\");",
" for number range 3 to 12 do writeln(prog[number]); end for;",
" end func;");
const proc: main is func
local var integer: number is 0;
begin
for number range 1 to 2 do writeln(prog[number]); end for;
for number range 1 to 11 do
writeln(literal(prog[number]) <& ",");
end for;
writeln(literal(prog[12]) <& ");");
for number range 3 to 12 do writeln(prog[number]); end for;
end func;
Function to solve the Towers of Hanoi problem
const proc: hanoi (in integer: disk, in string: source, in string: dest, in string: via) is func
begin
if disk > 0 then
hanoi(pred(disk), source, via, dest);
writeln("Move disk " <& disk <& " from " <& source <& " to " <& dest);
hanoi(pred(disk), via, dest, source);
end if;
end func;
Write reciprocal values of the natural numbers from 1 to 20 with 60 digits
$ include "seed7_05.s7i";
include "bigint.s7i";
include "bigrat.s7i";
const proc: main is func
local
var bigInteger: number is 0_;
begin
for number range 1_ to 20_ do
writeln(1_/number digits 60);
end for;
end func;
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