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Fix lambda doc example #396

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merged 2 commits into from Nov 19, 2017
Merged

Fix lambda doc example #396

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2923396
Fix lambda document example
lulalala Nov 9, 2017
0aca066
Document about lambda return value also being interpolated
lulalala Nov 9, 2017
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6 changes: 5 additions & 1 deletion lib/i18n.rb
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Expand Up @@ -140,10 +140,14 @@ def reload!
# called and passed the key and options.
#
# E.g. assuming the key <tt>:salutation</tt> resolves to:
# lambda { |key, options| options[:gender] == 'm' ? "Mr. %{options[:name]}" : "Mrs. %{options[:name]}" }
# lambda { |key, options| options[:gender] == 'm' ? "Mr. #{options[:name]}" : "Mrs. #{options[:name]}" }
#
# Then <tt>I18n.t(:salutation, :gender => 'w', :name => 'Smith') will result in "Mrs. Smith".
#
# Note that the string returned by lambda will go through string interpolation too,
# so the following lambda would give the same result:
# lambda { |key, options| options[:gender] == 'm' ? "Mr. %{name}" : "Mrs. %{name}" }
#
# It is recommended to use/implement lambdas in an "idempotent" way. E.g. when
# a cache layer is put in front of I18n.translate it will generate a cache key
# from the argument values passed to #translate. Therefor your lambdas should
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