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  1. r = 0
  2. u =->*_{ r += 1 }
  3. y = r
  4. d =->{ y += 1000 }
  5. p u.call # => 1
  6. p d.call # => 1000
  7. r = 10
  8. p u.call # => 11
  9. p d.call # => 2000
  10. def u( );end;_= = 0
  11. (u _ -y);r=~ .send("p",%q% y = xでyを渡すこと %)
Success #stdin #stdout 0.01s 8036KB
stdin
Standard input is empty
stdout
1
1000
11
2000
" y = xでyを渡すこと "