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