# code-block-pro/1.27.3/build/shiki/samples/v.sample

Code Block Pro – Beautiful Syntax Highlighting, version 1.27.3. 38 lines.

- Page: https://pluginprobe.com/plugins/code-block-pro/1.27.3/code/build/shiki/samples/v.sample
- Raw: https://pluginprobe.com/plugins/code-block-pro/1.27.3/raw/build/shiki/samples/v.sample
- Modified: 2023-01-04T19:51:56+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/code-block-pro/1.27.3/code/build/shiki/samples/v.sample#L10-L20`.

```
// This program displays the fibonacci sequence
import os

fn main() {
	// Check for user input
	if os.args.len != 2 {
		println('usage: fibonacci [rank]')

		return
	}

	// Parse first argument and cast it to int

	stop := os.args[1].int()
	// Can only calculate correctly until rank 92
	if stop > 92 {
		println('rank must be 92 or less')
		return
	}

	// Three consecutive terms of the sequence
	mut a := i64(0)
	mut b := i64(0)
	mut c := i64(1)
	println(a + b + c)
	for _ in 0 .. stop {
		// Set a and b to the next term
		a = b
		b = c
		// Compute the new term
		c = a + b

		// Print the new term
		println(c)
	}
}

// From https://github.com/vlang/v/blob/master/examples/fibonacci.v
```