From: Elliot Temple <curi@...>
Date: 2006-05-13T08:11:57+09:00
Subject: Re: conversion issues

you're trying to add a string and an integer. it's like writing:

3 + " dogs"

you should write

3.to_s + " dogs"

On May 12, 2006, at 4:05 PM, corey konrad wrote:

>
>> It printed out "5" just fine. Is that the problem you were  
>> referring to?
>>
>
> actually this one, i have to use + full_name.to_s + to avoid the  
> error i
> just found that strange. i mean i am using a string method the to_s
> should be implicit shouldnt it? i dont know.
>
> irb(main):030:0> def name_length
> irb(main):031:1>   p "what is your first name?"
> irb(main):032:1>   first = gets.chomp
> irb(main):033:1>   p "what is your last name?"
> irb(main):034:1>   last = gets.chomp
> irb(main):035:1>   full_length = first.length + last.length
> irb(main):036:1>   p "your full name has: " + full_length +  
> "characters"
> irb(main):037:1> end
> => nil
> irb(main):038:0> name_length
> "what is your first name?"
> corey
> "what is your last name?"
> konrad
> TypeError: can't convert Fixnum into String
> 	from (irb):36:in `+'
> 	from (irb):36:in `name_length'
> 	from (irb):38
> 	from :0
>
>
> -- 
> Posted via http://www.ruby-forum.com/.
>
>

-- Elliot Temple
http://www.curi.us/blog/