1 files changed, 38 insertions, 0 deletions
diff --git a/lib/utils.js b/lib/utils.js
new file mode 100644
index 00000000..01d477ef
--- /dev/null
+++ b/lib/utils.js
@@ -0,0 +1,38 @@
+function curry(f) {
+    var args = slice(arguments, 1);
+    return function() { return f.apply(this, args.concat(slice(arguments))); };
+};
+
+function prog1(ret) {
+    if (ret instanceof Function)
+        ret = ret();
+    for (var i = 1, n = arguments.length; --n > 0; ++i)
+        arguments[i]();
+    return ret;
+};
+
+function array_to_hash(a) {
+    var ret = {};
+    for (var i = 0; i < a.length; ++i)
+        ret[a[i]] = true;
+    return ret;
+};
+
+function slice(a, start) {
+    return Array.prototype.slice.call(a, start || 0);
+};
+
+function characters(str) {
+    return str.split("");
+};
+
+function member(name, array) {
+    for (var i = array.length; --i >= 0;)
+        if (array[i] == name)
+            return true;
+    return false;
+};
+
+function HOP(obj, prop) {
+    return Object.prototype.hasOwnProperty.call(obj, prop);
+};