ruby - re-try logic in a simple loop -


i'm trying set bounds array later printed in console , summed. lower bound ($a) should less 50 , wrote code evaluate that, want re-prompt number if higher number typed. far, google , experimentation have failed me.

def num_a   print "pick number 1 50: "   $a = integer(gets.chomp)     until $a < 50       puts "um, try again please."   # need here prompt response   # until $a less 50     end end

you restructure loop prompt , call gets both inside it:

def num_a   # start number doesn't meet condition   = 50    # check if number meets condition yet   until < 50     # ask user enter number     print "pick number 1 50: "     = integer(gets.chomp)     # ask try again if number isn't under 50     puts "um, try again please." unless < 50   end    # return entered value caller   end

also, i've shown in example, recommend avoiding use of global variables ($a in case).


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Comments

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