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Document that Last panics on empty slices with a clear error message. Add examples for single element and empty slice cases. Related to Issue 13 (PR #41) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
505 B
505 B
| title | date |
|---|---|
| First | 2025-01-16T00:00:00-00:00 |
First returns the first element of the slice. Returns an error if the slice is empty.
package main
import (
"fmt"
u "github.com/rjNemo/underscore"
)
func main() {
nums := []int{1, 2, 3, 4, 5}
first, err := u.First(nums)
if err != nil {
panic(err)
}
fmt.Println(first) // 1
// Handle empty slice
empty := []int{}
_, err = u.First(empty)
if err != nil {
fmt.Println("Error:", err) // Error: underscore: empty slice
}
}