Function Highs_deleteColsByRange 

pub unsafe extern "C" fn Highs_deleteColsByRange(
    highs: *mut c_void,
    from_col: HighsInt,
    to_col: HighsInt,
) -> HighsInt

Delete multiple adjacent columns.

@param highs A pointer to the Highs instance. @param from_col The index of the first column to delete. @param to_col The index of the last column to delete.

@returns A kHighsStatus constant indicating whether the call succeeded.