sonic-pi

https://github.com/sonic-pi-net/sonic-pi

C++

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I18n::Config#missing_interpolation_argument_handler=

Sets the missing interpolation argument handler. It can be any
object that responds to #call. The arguments that will be passed to #call
are the same as for MissingInterpolationArgument initializer. Use +Proc.new+
if you don't care about arity.

== Example:
You can supress raising an exception and return string instead:

  I18n.config.missing_interpolation_argument_handler = Proc.new do |key|
    "#{key} is missing"
  end

Source | Google | Stack overflow

Edit

git clone [email protected]:sonic-pi-net/sonic-pi.git

cd sonic-pi

open app/server/ruby/vendor/i18n-1.14.1/lib/i18n/config.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-I18n--Config-missing_interpolation_argument_handler--for-pr

# Commit to git

git add app/server/ruby/vendor/i18n-1.14.1/lib/i18n/config.rbgit commit -m "better docs for I18n::Config#missing_interpolation_argument_handler="

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-I18n--Config-missing_interpolation_argument_handler--for-pr

hub pull-request

# Celebrate!