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authorKoichi ITO <koic.ito@gmail.com>2017-01-15 11:44:00 +0900
committerKoichi ITO <koic.ito@gmail.com>2017-01-15 12:01:55 +0900
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Several representation of BigDecimal has changed in Ruby 2.4.0+ [ci skip]
cf. https://github.com/ruby/bigdecimal/pull/42
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diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md
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--- a/guides/source/active_support_core_extensions.md
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@@ -1980,7 +1980,15 @@ and that symbol specifiers are also supported:
BigDecimal.new(5.00, 6).to_s(:db) # => "5.0"
```
-Engineering notation is still supported:
+Engineering notation is still supported.
+
+In Ruby 2.4:
+
+```ruby
+BigDecimal.new(5.00, 6).to_s("e") # => "0.5e1"
+```
+
+Whereas in Ruby 2.2 and 2.3:
```ruby
BigDecimal.new(5.00, 6).to_s("e") # => "0.5E1"