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25 lines
422 B
Zig
25 lines
422 B
Zig
pub fn main() void {
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assert(fib(0) == 0);
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assert(fib(1) == 1);
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assert(fib(2) == 1);
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assert(fib(3) == 2);
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assert(fib(10) == 55);
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assert(fib(20) == 6765);
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}
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fn fib(n: u32) u32 {
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if (n < 2) {
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return n;
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} else {
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return fib(n - 2) + fib(n - 1);
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}
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}
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fn assert(ok: bool) void {
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if (!ok) unreachable;
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}
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// run
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// target=x86_64-linux,x86_64-macos,arm-linux,wasm32-wasi
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//
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