9 lines
187 B
Ruby
9 lines
187 B
Ruby
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def compose(f,g)
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lambda {|x| f[g[x]]}
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end
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s = compose(Math.method(:sin), Math.method(:cos))
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p s[0.5] # => 0.769196354841008
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# verify
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p Math.sin(Math.cos(0.5)) # => 0.769196354841008
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