Result is a built-in type with two variants: ok(value) wrapping a success value of type T, and err(message) wrapping an error message of type string. Any function that might fail returns a Result:
Fanny Angelina (née Eilshemius, from a Dutch father) grew up in Kearny, New Jersey. During her childhood, her family learned from a Dutch friend or neighbor about agar-agar, a common ingredient in jelly desserts in Java (Indonesia), then a Dutch colony. Her mother and, later, Fanny Angelina herself, began to cook with it.
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