beforeExecuting method

void Function() beforeExecuting(
  1. ExecutingStatementCallback callback
)

Registers a callback that is invoked before any statement is executed.

callback is a function that receives an ExecutingStatement object. Returns a function that can be called to unregister the callback.

Implementation

void Function() beforeExecuting(ExecutingStatementCallback callback) {
  _beforeExecutingCallbacks.add(callback);
  return () => _beforeExecutingCallbacks.remove(callback);
}