If Ruby’s Hash#default= returned the Hash instead of the default object, you could write:
TRANSLATION = { 'hello' => 'bonjour' }.default=('unknown')
Ruby’s Hash#default=
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“If only, if only,” the woodpecker sighs, “The bark on the tree was just a little bit softer.”
How about something like this:
TRANSLATION = { ‘hello’ => ‘bonjour’ }.with_default(’unknown’)
https://gist.github.com/1125319