Tim Dumol 9b46da2218 Add sum() to sugar.d.ts. ... The nullary version of sum() was missing in sugar.d.ts (ony the unary version was present).		2014-10-29 20:07:27 +08:00
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sugar.d.ts	Add sum() to sugar.d.ts.	2014-10-29 20:07:27 +08:00