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docs: update Last documentation to reflect panic behavior

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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)

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Co-Authored-By: Claude <noreply@anthropic.com>
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Ruidy 2025-11-16 08:49:04 +01:00
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11
docs/content/collections/last.md
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@ -3,7 +3,7 @@ title: "Last"
date: 2022-03-21T13:46:24-04:00 date: 2022-03-21T13:46:24-04:00
--- ---
`Last` returns the last element of the slice. `Last` returns the last element of the slice. Panics if the slice is empty with a clear error message.
```go ```go
package main package main
@ -15,7 +15,14 @@ import (
func main() { func main() {
nums := []int{1, 9, 2, 8, 3, 7, 4, 6, 5} nums := []int{1, 9, 2, 8, 3, 7, 4, 6, 5}
fmt.Println(u.Last(nums)) // 5 fmt.Println(u.Last(nums)) // 5
// Single element
single := []int{42}
fmt.Println(u.Last(single)) // 42
// Empty slice panics with clear message
// empty := []int{}
// u.Last(empty) // panic: underscore.Last: empty slice
} }
``` ```