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somenugget/currying.rb

Last active January 18, 2019 15:30
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Currying in Ruby
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currying.rb
# https://www.morozov.is/2019/01/11/partial-application-in-ruby.html
fun = ->(tag, text) { "<#{tag}>#{text}</#{tag}>" }
curried_fun = fun.curry
bold_fun = curried_fun.('b')
p fun.('b', 'yo') # "<b>yo</b>"
p curried_fun.('b').('yo') # "<b>yo</b>"
p bold_fun.('yo') # "<b>yo</b>"
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