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def a; yield; end
def b; yield 1; end
def c; yield 1,2; end
def d; yield []; end
def e; yield [1]; end
def f; yield [1,2]; end
def g; yield [],[]; end
a { |x| puts x.inspect } # nil + W
puts '---'
b { |x| puts x.inspect } # 1
puts '---'
c { |x| puts x.inspect } # [1,2] + W
puts '---'
d { |x| puts x.inspect } # []
puts '---'
e { |x| puts x.inspect } # [1]
puts '---'
f { |x| puts x.inspect } # [1,2]
puts '---'
g { |x| puts x.inspect } # [[],[]] + W
puts '***************'
def a; yield; end
def b; yield 1; end
def c; yield 1,2; end
def d; yield []; end
def e; yield [1]; end
def f; yield [1,2,3,4]; end
def g; yield [1,2],*[3,4]; end
a { |x,y| puts x.inspect, y.inspect }
puts '---'
b { |x,y| puts x.inspect, y.inspect }
puts '---'
c { |x,y| puts x.inspect, y.inspect }
puts '---'
d { |x,y| puts x.inspect, y.inspect }
puts '---'
e { |x,y| puts x.inspect, y.inspect }
puts '---'
f { |x,y| puts x.inspect, y.inspect }
puts '---'
f { |x,y,*z| puts x.inspect, y.inspect, z.inspect }
puts '---'
g { |x,*y| puts x.inspect, y.inspect }
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