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ID: go-best-practices/equivalent-append
Language: Go
Severity: Warning
Category: Best Practices
In Go, the append()
function is used to append elements to a slice. It is a built-in function that takes a slice and one or more elements as arguments and returns a new slice with the appended elements.
When append()
is called with a single argument, it is similar to the assignment of that argument to a variable. This is because the append()
function returns a new slice that includes the original elements of the input slice and the appended element(s).
For example:
s := []int{1, 2, 3}
s = append(s, 4)
In this code snippet, the append()
function is called with a single argument s
and the value 4
. The append()
function returns a new slice with the elements [1, 2, 3, 4]
, and this new slice is assigned back to the variable s
. The original value of s
is replaced with the new slice containing the appended element.
It is important to note that the append()
function does not modify the original slice in-place since slices are reference types in Go. Instead, it returns a new slice that combines the elements of the original slice and the appended element(s).
In summary, when append()
is used with a single argument, it effectively performs an assignment of the argument to the variable, replacing the original value with a new slice that includes the appended element(s).
func main() {
x = append(y)
}
func main() {
x = y
gitdbClientValue = getGitDBClient(api)
}
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