Pp. 255 (no. 310)

This code sample is adapted from Clifford B. Anderson and Joseph C. Wicentowski, XQuery for Humanists (College Station: Texas A&M University Press, 2020), 255. Download this code sample in its raw form. View the source on GitHub.

xquery version "3.1";

module namespace greet = "http://xquery.forhumanists.org/greet";

declare function greet:say-hello($name as xs:string?) as xs:string {
    "Hello, " || $name || "!"
};