captureAnyNamed function Null safety

Null captureAnyNamed(
  1. String named

An argument matcher that matches any named argument passed in for the parameter named named, and captures the argument for later access with VerificationResult.captured.

See the README section on capturing arguments for examples.


Null captureAnyNamed(String named) => _registerMatcher(anything, true,
    named: named, argumentMatcher: 'captureAnyNamed');