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Ruby

Matt Berry
Matt Berry
8,400 Points
Posted by Matt Berry
Matt Berry
8,400 Points

Float vs. Integer

When converting a string to a number, when and why might it be advantageous to use the .to_i method over the .to_f method? Doesn't .to_f allow for greater flexibility and include integer values?

1 Answer

Gavin Ralston
Gavin Ralston
28,770 Points
Gavin Ralston
Gavin Ralston
28,770 Points

A very short and not comprehensive list:

  • When you're going to be passing those values to a function that takes an int
  • Whenever you don't need to use floating point math
  • Whenever you can somehow avoid using floating point math (as much as possible, in any language)