I\'m trying to define a structural type defining any collection that has an \"add\" method (for instance, a java collection). Using this, I want to define a few higher order functions that operate on
目录理解圆弧绘制从圆弧到绘制圆角长方体如何实现等比缩放绘制圆角矩形按固定比例计算缩放矩形的尝试（不推荐）通过Inflate()方法缩放矩形理解圆弧绘制GDI+中对于圆弧的绘制，是以给定的长方形（Sys...
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