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// Test recursive function calls.
// Ref: false
---
// Test with named function.
#let fib(n) = {
if n <= 2 {
1
} else {
fib(n - 1) + fib(n - 2)
}
}
#test(fib(10), 55)
---
// Test with unnamed function.
// Error: 17-18 unknown variable
#let f = (n) => f(n - 1)
#f(10)
---
// Test capturing with named function.
#let f = 10
#let f() = f
#test(type(f()), "function")
---
// Test capturing with unnamed function.
#let f = 10
#let f = () => f
#test(type(f()), "integer")
---
// Error: 15-21 maximum function call depth exceeded
#let rec(n) = rec(n) + 1
#rec(1)
---
#let f(x) = "hello"
#let f(x) = if x != none { f(none) } else { "world" }
#test(f(1), "world")
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