How to store functions in a slice in Go
In Go, functions are first-class citizens, meaning they can be treated like any other value, such as integers or strings. This flexibility allows us to store functions in data structures like slices. Storing functions in a slice can be particularly useful in scenarios where you need to dynamically manage and execute different functions based on certain conditions or requirements.
To store functions in a slice, you can define the slice to hold values of a specific function type. Functions in Go have a defined type signature, including parameters and return types, which allows you to specify the type of functions that can be stored in the slice.
By storing functions in a slice, you can iterate over the slice and invoke each function as needed, passing appropriate arguments based on the function’s signature. This approach enables you to create collections of functions and manipulate them dynamically at runtime, providing flexibility and extensibility in your Go programs without directly embedding function logic within the code. Understanding how to store and manipulate functions in slices expands the expressive power of Go programming and supports more advanced use cases.
Prerequisites
Hardware : Local Machine
Software : VS Code, Golang
Open VS Code.
Length and Capacity in slice
Output :
Append function in Golang
Output :
Appending with length specified
Output :
Slice with make function
Output :
Slicing in string
Output :
Slice Literals
Output :
Slicing using addressing
Output :
Slicing operation
Output :
