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orb lib orb numeric sub.ex
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lib/orb/numeric/sub.ex 

defmodule Orb.Numeric.Subtract do

  @moduledoc """

  WebAssembly numeric `sub` instruction:

  - `i32.sub`

  - `i64.sub`

  - `f32.sub`

  - `f64.sub`



  [MDN reference](https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/Subtraction)

  """



  def optimized(_type, a, 0), do: a

  def optimized(type, a, b), do: Orb.Instruction.new(type.wasm_type(), :sub, [a, b])

end