Kaba class Parser ed

class Parser
    var cur_index: i32
    var e: string[]

    # constructors
    func mut __init__()

    # functions
    func cur() -> string
    func end_of_line() -> bool
    func next()
    func parse_ass() -> xfer[Term]
    func parse_def() -> xfer[Term]
    func parse_operand() -> xfer[Term]
    func parse_operand_minimal() -> xfer[Term]
    func peak() -> string