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<!DOCTYPE html>
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<h1 class="main">Functions</h1>
<div class="language-v">fn main() {
println(add(77, 33))
println(sub(100, 50))
}
fn add(x int, y int) int {
return x + y
}
fn sub(x int, y int) int {
return x - y
}
</div>
<p>Again, the type comes after the argument's name.</p>
<p>Just like in Go and C, functions cannot be overloaded.
This simplifies the code and improves maintainability and readability.</p>
<h2 id="hoisting">Hoisting <a href="functions.html#hoisting" class="header-anchor" aria-hidden="true">#</a></h2>
<p>Functions can be used before their declaration:
<code>add</code> and <code>sub</code> are declared after <code>main</code>, but can still be called from <code>main</code>.
This is true for all declarations in V and eliminates the need for header files
or thinking about the order of files and declarations.</p>
<h2 id="returning-multiple-values">Returning multiple values <a href="functions.html#returning-multiple-values" class="header-anchor" aria-hidden="true">#</a></h2>
<div class="language-v">fn foo() (int, int) {
return 2, 3
}
a, b := foo()
println(a) // 2
println(b) // 3
c, _ := foo() // ignore values using `_`
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<div class="last-updated">
<time datetime="2025-01-09T16:19:57.803Z">Last updated:
2025-01-09 18:19:57, V Commit: <a
href="https://github.com/vlang/v/commit/ba9d358d5f170f40e46234ae6b9ad788270189be">ba9d358</a></time>
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