Add documentation

sliceconv.go

@@ -5,6 +5,8 @@ import (
 	"strconv"
 )
 
+// Itoa converts the provided integers into their respective string representations
+// in base 10.
 func Itoa(ints ...int) []string {
 	var str []string
 	for _, i := range ints {
@@ -13,6 +15,8 @@ func Itoa(ints ...int) []string {
 	return str
 }
 
+// Atoi converts the provided strings into their respective base 10 integer
+// representations. If any of the strings are not valid digits, an error is returned.
 func Atoi(str ...string) ([]int, error) {
 	var ints []int
 	for _, s := range str {