Go's strict type checking is a core feature of the language, and it means that variables in Go must have a specific type, which is enforced at compile-time. This means that Go programs are less prone to type-related errors at runtime, such as type conversion errors or null pointer dereferences, which can cause crashes and other unexpected behavior.
In Go, variables must be declared with their type before they can be used, and the compiler will check that each variable is used in a way that is consistent with its declared type. This strict type checking makes it easier to catch errors before they make it into production code.
Additionally, Go's strict type checking also provides a degree of self-documentation for the code, making it easier for developers to understand what types of values are expected and returned by functions and methods. This can help to reduce confusion and make code easier to read and maintain.
However, strict type checking can also make programming in Go feel somewhat verbose, as developers must be explicit about the types of their variables and function parameters. This can be seen as a tradeoff between the ease of debugging and the increased verbosity of the code. Overall, the strict type checking is a key feature of Go that helps make it a safer and more reliable language for building applications.