Nothing
rm(list=ls())
assert('type_any_type_1', {
fib(n) %::% . : a
fib(0) %as% 1
fib(1) %as% 1
fib(n) %as% { fib(n-1) + fib(n-2) }
seal(fib)
act <- fib(4)
(act == 5)
})
rm(list=ls())
assert('type_any_type_2', {
hypotenuse(a,b) %::% . : . : numeric
hypotenuse(a,b) %as% { (a^2 + b^2)^.5 }
seal(hypotenuse)
act <- hypotenuse(3,4)
(act ==5)
})
rm(list=ls())
assert('type_any_type_3', {
hypotenuse(a,b) %::% numeric : numeric: .
hypotenuse(a,b) %as% { (a^2 + b^2)^.5 }
seal(hypotenuse)
act <- hypotenuse(3,4)
(act ==5)
})
rm(list=ls())
assert('type_any_type_4', {
hypotenuse(a,b) %::% a : a: .
hypotenuse(a,b) %as% { (a^2 + b^2)^.5 }
seal(hypotenuse)
act <- hypotenuse(3,4)
(act ==5)
})
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