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# example program: constructing recipes out of order
#
# We construct a factorial function with separate base and recursive cases.
# Compare factorial.mu.
#
# This isn't a very tasteful example, just a simple demonstration of
# possibilities.
recipe factorial [
local-scope
n:number <- next-ingredient
{
<base-case>
}
<recursive-case>
]
after <base-case> [
# if n=0 return 1
zero?:boolean <- equal n, 0
break-unless zero?
reply 1
]
after <recursive-case> [
# return n * factorial(n - 1)
x:number <- subtract n, 1
subresult:number <- factorial x
result:number <- multiply subresult, n
reply result
]
recipe main [
1:number <- factorial 5
$print [result: ], 1:number, [
]
]
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