x,y=1 #x=[]; y=1
x,y,*z=1,*[2,3,4] #x=1;y=2;z=[3,4];
#operator
puts (0b1011 << 1).to_s(2) # 10110
puts (0b10110 >> 2).to_s(2) #101
puts 11<<1 #22
puts 22>>2 #5
message="hello"
messages=[]
message<<" world"
messages<
x,y,*z=1,*[2,3,4] #x=1;y=2;z=[3,4];
#operator
puts (0b1011 << 1).to_s(2) # 10110
puts (0b10110 >> 2).to_s(2) #101
puts 11<<1 #22
puts 22>>2 #5
message="hello"
messages=[]
message<<" world"
messages<