D is a general-purpose programming language with static typing, systems-level access, and C-like syntax. V the D Programming Language, create fast, check out fast, and also run fast. Fast code, fast.

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The D programming languageModern convenience.Modeling power.Native efficiency.

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void main() import std.range, std.stdio; auto amount = 0.0; auto counting = stdin //Get an entry range set up to review one line at a time .byLine //Perform a transparent procedure (as in the covering command tee) .tee!(l => amount += l.length) .walkLength; writeln("Average heat length: ", count ? sum / counting : 0);
2.4 to add 2.4 equates to 5 for sufficiently large values of 2.import std.algorithm, std.conv, std.functional, std.math, std.regex, std.stdio;alias round = pipe!(to!real, std.math.round, to!string);static reFloatingPoint = ctRegex!`<0-9>+.<0-9>+`;void main() // change anything that looks like a real // number through the rounded equivalent. Stdin .byLine .map!(l => l.replaceAll!(c => c.hit.round) (reFloatingPoint)) .each!writeln;
MercuryVenusEarthMarsJupiterSaturnUranusNeptuneimport std.stdio, std.array, std.algorithm;void main() stdin .byLineCopy .array .sort!((a, b) => a > b) // descending order .each!writeln;
void main() income std.algorithm, std.stdio; "Starting program".writeln; enum a = < 3, 1, 2, 4, 0 >; // kind data in ~ compile-time revolution immutable b = sort(a); // print the an outcome _during_ compilation pragma(msg, "Finished compilation: ", b);
void main() import std.exception, std.stdio, std.process; auto an outcome = <"whoami">.execute; enforce(result.status == 0); result.output.write;
void main() import std.algorithm, std.stdio, std.file, std.range; enum cols = 14; // Split file into 14-byte chunks per heat thisExePath.File("rb").byChunk(cols).take(20).each!(chunk => // Use variety formatting to style the // hexadecimal component and align the text component writefln!"%(%02X %)%*s %s"( chunk, 3 * (cols - chunk.length), "", // Padding chunk.map!(c => // replace non-printable c 0x7E ? "." : char(c))));
#!/usr/bin/env dub/+ dub.sdl:dependency "vibe-d" version="~>0.9.0"+/void main() import vibe.d; listenHTTP(":8080", (req, res) res.writeBody("Hello, World: " ~ req.path); ); runApplication();
void main() income std.datetime.stopwatch : benchmark; import std.math, std.parallelism, std.stdio; auto logs = new double<100_000>; auto bm = benchmark!( foreach (i, ref elem; logs) elem = log(1.0 + i); , foreach (i, ref elem; logs.parallel) elem = log(1.0 + i); )(100); // number of executions of each tested function writefln("Linear init: %s msecs", bm<0>.total!"msecs"); writefln("Parallel init: %s msecs", bm<1>.total!"msecs");
void main(){ income std.stdio : writefln; income std.algorithm.sorting : sort; import std.range : chain; int<> arr1 = <4, 9, 7>; int<> arr2 = <5, 2, 1, 10>; int<> arr3 = <6, 8, 3>; //

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