升级vue2.0，编译失败，less中报错Module build failed: Unknown word

Question

ERROR in ./~/css-loader?sourceMap!./~/vux/src/styles/1px.less
Module build failed: Unknown word (23:5)

  21 | .vux-1px {
  22 |   &:before {
> 23 |     .setLine();
     |     ^
  24 |   }
  25 | }
  26 |

Answer 1

less中是不是没有.func()的语法？