Slam: Symbol-LAMbda

Slam provides an symbol-hack.

.. code

ruby

L = Slam::Dunk.new

# [:foo, :bar, :baz].map{|s| s.to_s }.map{|s| s.upcase }
# [:foo, :bar, :baz].map(&:to_s).map(&:upcase)

[:foo, :bar, :baz].map &L.to_s . upcase

# [:foo, :hoge, :bar, :fuga].select{|s| s.to_s.length > 3} # => [:hoge, :fuga]

[:foo, :hoge, :bar, :fuga].select &L.to_s . length > 3

# (1..5).map { |x| x ** 2 }

(1..5).map &L ** 2 # => [1, 4, 9, 16, 25]

Installation

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.. code

sh

gem install slam