all tasks

Task/String-length/D/string-length-1.d

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+import std.stdio;
+
+void showByteLen(T)(T[] str) {
+    writefln("Byte length: %2d - %(%02x%)",
+             str.length * T.sizeof, cast(ubyte[])str);
+}
+
+void main() {
+    string s1a = "møøse"; // UTF-8
+    showByteLen(s1a);
+    wstring s1b = "møøse"; // UTF-16
+    showByteLen(s1b);
+    dstring s1c = "møøse"; // UTF-32
+    showByteLen(s1c);
+    writeln();
+
+    string s2a = "𝔘𝔫𝔦𝔠𝔬𝔡𝔢";
+    showByteLen(s2a);
+    wstring s2b = "𝔘𝔫𝔦𝔠𝔬𝔡𝔢";
+    showByteLen(s2b);
+    dstring s2c = "𝔘𝔫𝔦𝔠𝔬𝔡𝔢";
+    showByteLen(s2c);
+    writeln();
+
+    string s3a = "J̲o̲s̲é̲";
+    showByteLen(s3a);
+    wstring s3b = "J̲o̲s̲é̲";
+    showByteLen(s3b);
+    dstring s3c = "J̲o̲s̲é̲";
+    showByteLen(s3c);
+}

Task/String-length/D/string-length-2.d

@@ -0,0 +1,31 @@
+import std.stdio, std.range, std.conv;
+
+void showCodePointsLen(T)(T[] str) {
+    writefln("Character length: %2d - %(%x %)",
+             str.walkLength(), cast(uint[])to!(dchar[])(str));
+}
+
+void main() {
+    string s1a = "møøse"; // UTF-8
+    showCodePointsLen(s1a);
+    wstring s1b = "møøse"; // UTF-16
+    showCodePointsLen(s1b);
+    dstring s1c = "møøse"; // UTF-32
+    showCodePointsLen(s1c);
+    writeln();
+
+    string s2a = "𝔘𝔫𝔦𝔠𝔬𝔡𝔢";
+    showCodePointsLen(s2a);
+    wstring s2b = "𝔘𝔫𝔦𝔠𝔬𝔡𝔢";
+    showCodePointsLen(s2b);
+    dstring s2c = "𝔘𝔫𝔦𝔠𝔬𝔡𝔢";
+    showCodePointsLen(s2c);
+    writeln();
+
+    string s3a = "J̲o̲s̲é̲";
+    showCodePointsLen(s3a);
+    wstring s3b = "J̲o̲s̲é̲";
+    showCodePointsLen(s3b);
+    dstring s3c = "J̲o̲s̲é̲";
+    showCodePointsLen(s3c);
+}