personal go tools 个人golang库,用于个人学习和分享。 set heap sort sortmap tools strings referance go doc markdown lg: $ \sum_{i=0}^{n}i^2 $ $$ \sum_{i=0}^{n}i^2 $$ $\begin{array}{ccc} x_1 & x_2 & \dots \ x_3 & x_ 4& \dots \ \vdots & \vdots & \ddots \end{array}$