react-redux need not be used alone in conjunction with the use of redux
1.react-redux mainly consists of two parts Provider connect
Provider must have a value of attribute store store principle is the context passed by value across components
connect: the first high-order component has a function of two parameters (function must return an object) mapStateToProps mapDispatchToProps
mapStateToProps this parameter is a function State
mapDispatchToProps this parameter is a function dispatch
* */
The state data and methods mapped onto this.props! ! !