#!/usr/bin/rdmd // Computes average line length for standard input. import std.stdio; /+ this is a /+ nesting +/ comment +/ enum COMPILED_ON = __TIMESTAMP__; // special token enum character = '©'; enum copy_valid = '&copy;'; enum backslash_escaped = '\\'; // string literals enum str = `hello "world"!`; enum multiline = r"lorem ipsum dolor"; // wysiwyg string, no escapes here allowed enum multiline2 = "sit amet \"adipiscing\" elit."; enum hex = x"66 6f 6f"; // same as "foo" #line 5 // float literals enum f = [3.14f, .1, 1., 1e100, 0xc0de.01p+100]; static if (something == true) { import std.algorithm; } void main() pure nothrow @safe { ulong lines = 0; double sumLength = 0; foreach
     (line; stdin.byLine()) {
            ++lines;
            sumLength += line.length;
        }
        writeln(
"Average line length: ", lines ? sumLength / lines : 0); }