Data commit

Task/Binary-strings/D/binary-strings.d

@@ -0,0 +1,45 @@
+void main() /*@safe*/ {
+    import std.array: empty, replace;
+    import std.string: representation, assumeUTF;
+
+    // String creation (destruction is usually handled by
+    // the garbage collector).
+    ubyte[] str1;
+
+    // String assignments.
+    str1 = "blah".dup.representation;
+    // Hex string, same as "\x00\xFB\xCD\x32\xFD\x0A"
+    // whitespace and newlines are ignored.
+    str1 = cast(ubyte[])x"00 FBCD 32FD 0A";
+
+    // String comparison.
+    ubyte[] str2;
+    if (str1 == str2) {} // Strings equal.
+
+    // String cloning and copying.
+    str2 = str1.dup; // Copy entire string or array.
+
+    // Check if a string is empty
+    if (str1.empty) {} // String empty.
+    if (str1.length) {} // String not empty.
+    if (!str1.length) {} // String empty.
+
+    // Append a ubyte to a string.
+    str1 ~= x"0A";
+    str1 ~= 'a';
+
+    // Extract a substring from a string.
+    str1 = "blork".dup.representation;
+    // This takes off the first and last bytes and
+    // assigns them to the new ubyte string.
+    // This is just a light slice, no string data copied.
+    ubyte[] substr = str1[1 .. $ - 1];
+
+    // Replace every occurrence of a ubyte (or a string)
+    // in a string with another string.
+    str1 = "blah".dup.representation;
+    replace(str1.assumeUTF, "la", "al");
+
+    // Join two strings.
+    ubyte[] str3 = str1 ~ str2;
+}