Huffman coding: Difference between revisions

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@@ Line 1,658: / Line 1,658: @@
 <lang d>import std.stdio, std.algorithm, std.typecons, std.container, std.array;
-auto encode(T)(Group!("a == b", T[]) sf) /*pure nothrow @safe*/ {
+auto encode(alias eq, R)(Group!(eq, R) sf) /*pure nothrow @safe*/ {
     auto heap = sf.map!(s => tuple(s[1], [tuple(s[0], "")]))
                 .array.heapify!q{b < a};
@@ Line 1,674: / Line 1,674: @@
 void main() /*@safe*/ {
     immutable s = "this is an example for huffman encoding"d;
-    foreach (const p; s.dup.sort().release.group.encode)
+    foreach (const p; s.dup.sort().group.encode)
         writefln("'%s'  %s", p[]);
 }</lang>