I am -1 on this one. I agree that explicit formatting and rounding will be required for times that you care about how the float is printed, but the utility of not having to format the float for interpolation/logging for such a core type is worth keeping the behavior in my opinion.
> On Dec 2, 2016, at 9:39 AM, Bryan Enders <[email protected]> wrote: > > String.Chars.to_string/1 is only implemented by default for types that can be > represented with unambiguous precision… with the exception of Float. The > ambiguity with regards to representing tuples and maps (and by extension > structs) would seem to be the primary reason for omitting a default > implementation for those types. The same could be said of floats. A > programmer attempting to interpolate 1_000.0 into a string might be quite > surprised to discover that the string representation is "1.0e3". They might > be even more surprised to discover that interpolating > 12_123_123_123_123_123_123.0 will be rounded in its representation as > "1.2123123123123122e19". The protocol implementation must make formatting > assumptions with regards to precision when it comes to floats. I would > recommend the eventual deprecation of the default String.Chars implementation > for Float. > > -- > You received this message because you are subscribed to the Google Groups > "elixir-lang-core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elixir-lang-core/e5d26d6d-9a57-444d-bca2-7a17bce4c79f%40googlegroups.com > > <https://groups.google.com/d/msgid/elixir-lang-core/e5d26d6d-9a57-444d-bca2-7a17bce4c79f%40googlegroups.com?utm_medium=email&utm_source=footer>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- You received this message because you are subscribed to the Google Groups "elixir-lang-core" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/FA550B92-8053-4333-B819-DCF5EBDC4F87%40chrismccord.com. For more options, visit https://groups.google.com/d/optout.
