method on

Source

static ErrorHandlerCollection on(Type errorType, middlewareA, [middlewareB = nothing, middlewareC = nothing,
    middlewareD = nothing, middlewareE = nothing, middlewareF = nothing, middlewareG = nothing,
    middlewareH = nothing, middlewareI = nothing, middlewareJ = nothing, middlewareK = nothing,
    middlewareL = nothing, middlewareM = nothing, middlewareN = nothing, middlewareO = nothing,
    middlewareP = nothing, middlewareQ = nothing, middlewareR = nothing, middlewareS = nothing,
    middlewareT = nothing, middlewareU = nothing, middlewareV = nothing, middlewareW = nothing,
    middlewareX = nothing, middlewareY = nothing, middlewareZ = nothing]) {
  final Iterable middlewareTokens = [middlewareA, middlewareB,
  middlewareC, middlewareD, middlewareE, middlewareF, middlewareG, middlewareH,
  middlewareI, middlewareJ, middlewareK, middlewareL, middlewareM, middlewareN,
  middlewareO, middlewareP, middlewareQ, middlewareR, middlewareS, middlewareT,
  middlewareU, middlewareV, middlewareW, middlewareX, middlewareY, middlewareZ
  ].where((m) => m != nothing);
  return new ErrorHandlerCollection({errorType: pipeActual(resolveMiddleware(middlewareTokens))});
}