# Functions
MustApply applies the canvas on the terminal or panics.
MustClearPixel clears the specified pixel or panics.
MustCopyTo copies the braille canvas onto the provided canvas or panics.
MustNew returns a new canvas or panics.
MustSetAreaCellOpts sets the cell options in the area or panics.
MustSetCellOpts sets the cell options or panics.
MustSetPixel sets the specified pixel or panics.