"#stream.spl" import

"uses less native functions where possible";

func pop { | with _ ; }

func dup { x x | with x ;
    x x
}

func swap { b a | with a b ;
    b a 
}

func not { !x | with x ;
    1 
    x if { pop 0 }
}

func and { a&&b | with a b ;
    0
    a if { b if { pop 1 } }
}

func or { a||b | with a b ;
    0
    a if { pop 1 }
    b if { pop 1 }
}

func alit-end { array | with type ;
    def array 0 anew =array
    while { dup type eq not } {
        0 1 anew dup:set; array aadd =array
    }
    pop array
}

func read-file { str | with path ; 
    def stream path 0 StreamTypes:file:create =stream
    1024 stream:read-to-end:to-str
}

func acopy { | with from to idxsrc idxdst len ;
    len:foreach<{ | with i ;
        i idxsrc + from:get i idxdst + to:set;
    }>
}