For NumberPrinterParser, the width is fixed depending on the
minWidth, maxWidth, signStyle and whether subsequent fields are fixed.
@param context the context
@return true if the field is fixed width
@see DateTimeFormatterBuilder#appendValue(hunt.time.temporal.TemporalField, int)
For NumberPrinterParser, the width is fixed depending on the minWidth, maxWidth, signStyle and whether subsequent fields are fixed. @param context the context @return true if the field is fixed width @see DateTimeFormatterBuilder#appendValue(hunt.time.temporal.TemporalField, int)