NewBar creates new bar, the style must have five utf8 char.

NewEchelonNode will create new EchelonNode, and set startTime the function calling time.

StartNewEchelonNode will create new EchelonNode with title and configuration, and start it.

DefaultStyle is the default bar style.

SimpleStyle is simple style of bar, similar to the bar of wget.

Bar is a structure which defines the horizontal progress bar.

EchelonNode is a log node for interactive renderer, it is designed for coroutine safe object It has title with specific title color.