js/baba-yaga/scratch/baba/test_error_docs.baba


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// Test some examples from the error handling documentation

io.out "Testing error handling documentation examples...";

// Basic Result usage
divide : x y ->
  when y is
    0 then Err "Division by zero"
    _ then Ok (x / y);

handleDivision : x y ->
  when (divide x y) is
    Ok result then result
    Err message then 0;

io.out "Division test:";
io.out (handleDivision 10 2);    // Should be 5
io.out (handleDivision 10 0);    // Should be 0

// Validation patterns
validateAge : age ->
  when (validate.type "Int" age) is
    false then Err "Age must be an integer"
    true then
      when (validate.range 0 150 age) is
        false then Err "Age must be between 0 and 150"
        true then Ok age;

io.out "Validation test:";
io.out (validateAge 25);         // Should be Ok 25
io.out (validateAge 200);        // Should be error

// Simple assertion
assert (2 + 2 = 4) "Math works";
io.out "Assertion passed!";

// Debug example  
debug.print "Debug test" 42;

io.out "Error handling documentation examples work!";