sub function

NaryOp sub(
  1. Expr x, [
  2. Expr? x1,
  3. Expr? x2,
  4. Expr? x3,
  5. Expr? x4,
  6. Expr? x5,
  7. Expr? x6,
  8. Expr? x7,
  9. Expr? x8,
  10. Expr? x9,
])

Implementation

NaryOp sub(
  Expr x, [
  Expr? x1,
  Expr? x2,
  Expr? x3,
  Expr? x4,
  Expr? x5,
  Expr? x6,
  Expr? x7,
  Expr? x8,
  Expr? x9,
]) =>
    NaryOp(NaryOpKind.sub, [
      x,
      if (x1 != null) x1,
      if (x2 != null) x2,
      if (x3 != null) x3,
      if (x4 != null) x4,
      if (x5 != null) x5,
      if (x6 != null) x6,
      if (x7 != null) x7,
      if (x8 != null) x8,
      if (x9 != null) x9,
    ]).declare();