Utilities for working with Foreign Function Interface (FFI) code.
Dart implementation of gRPC, a high performance, open-source universal RPC framework.
Utility functions and classes related to the dart:typed_data library.
Fake asynchronous events such as timers and microtasks for deterministic testing.
Support for specifying test expectations via an extensible Matcher class. Also includes a number of built-in Matcher implementations for common cases.
Annotations that developers can use to express the intentions that otherwise can't be deduced by statically analyzing the source code. These annotations are intended to be used by tools to provide a b
Provides APIs for debugging and error logging. This library introduces abstractions similar to those used in other languages, such as the Closure JS Logger and java.util.logging.Logger.
Library for defining parsers for parsing raw command-line arguments into a set of options and values using GNU and POSIX style options.