libsigc++@2 ☆

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Description:
Callback framework for C++

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: c++ library signals callbacks development

Install: brew install libsigc++@2

About:
Libsigc++ is a C++ library that implements a typesafe callback system for C++ programs. It allows you to safely connect C++ class member functions and general functions to each other, decoupling the sender and receiver. This library is essential for implementing the Observer pattern and event-driven architectures in modern C++ applications.

Key Features:

Typesafe signal and slot mechanism
Support for C++11/14/17 standards
Efficient and lightweight overhead
Seamless integration with other C++ libraries

Use Cases:

Implementing event-driven GUI applications
Decoupling components in complex C++ systems
Creating custom callback mechanisms for libraries

Alternatives:

Boost.Signals2 – More comprehensive but heavier dependency; Libsigc++ is often preferred for GTK+ integration
C++ standard library signals – Not yet standardized; Libsigc++ provides a mature, production-ready solution

Version History

Detected	Version	Rev	Change	Commit
Sep 10, 2025 10:11pm		0	VERSION_BUMP	71b531f4