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// Extend above example to sanity check input.
local equal_parts(size, ingredients) =
local qty = size / std.length(ingredients);
// Check a pre-condition
if std.length(ingredients) == 0 then
error 'Empty ingredients.'
else [
{ kind: i, qty: qty }
for i in ingredients
];
local subtract(a, b) =
assert a > b : 'a must be bigger than b';
a - b;
assert std.isFunction(subtract);
{
test1: equal_parts(1, ['Whiskey']),
test2: subtract(10, 3),
object: {
assert self.f < self.g : 'wat',
f: 1,
g: 2,
},
assert std.isObject(self.object),
}
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