Add reduce function on Sequence

2015-01-16 09:24:59 +01:00
parent 64c2bd7633
commit 4c6b819ed1
5 changed files with 31 additions and 0 deletions
@@ -64,6 +64,16 @@ static const char* libSource =
 "    }\n"
 "    return true\n"
 "  }\n"
+"\n"
+"  reduce(acc, f) {\n"
+"    for (element in this) {\n"
+"      acc = f.call(acc, element)\n"
+"    }\n"
+"    return acc\n"
+"  }\n"
+"\n"
+"  reduce(f) { this[1..-1].reduce(this[0], f) }\n"
+"\n"
 "}\n"
 "\n"
 "class List is Sequence {\n"