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// run-pass
// aux-build:cond_plugin.rs
#![allow(unused_parens)]
extern crate cond_plugin;
use cond_plugin::cond;
fn fact(n : i64) -> i64 {
if n == 0 {
1
} else {
n * fact(n - 1)
}
}
fn fact_cond(n : i64) -> i64 {
cond!(
((n == 0) 1)
(else (n * fact_cond(n-1)))
)
}
fn fib(n : i64) -> i64 {
if n == 0 || n == 1 {
1
} else {
fib(n-1) + fib(n-2)
}
}
fn fib_cond(n : i64) -> i64 {
cond!(
((n == 0) 1)
((n == 1) 1)
(else (fib_cond(n-1) + fib_cond(n-2)))
)
}
fn main() {
assert_eq!(fact(3), fact_cond(3));
assert_eq!(fact(5), fact_cond(5));
assert_eq!(fib(5), fib_cond(5));
assert_eq!(fib(8), fib_cond(8));
}
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