Made the layout package actually usable

1 files changed, 4 insertions, 2 deletions

diff --git a/layout/split.go b/layout/split.go
index fb6d36e..db04225 100644
--- a/layout/split.go
+++ b/layout/split.go
@@ -7,18 +7,20 @@ import "fmt"
 // The sum of all elements of the returned slice must be eqal to the space.
 type SplitFunc func(elements int, space int) []int
 
+var _ SplitFunc = EvenSplit
+
 // EvenSplit is a SplitFunc used to split a space (almost) evenly among the elements.
 // It is almost evenly because width may not be divisible by elements.
 func EvenSplit(elements int, width int) []int {
 	if elements <= 0 {
 		panic(fmt.Errorf("EvenSplit: elements must be greater than 0"))
 	}
-	ret := make([]int, 0, elements)
+	ret := make([]int, elements)
 	for elements > 0 {
 		v := width / elements
 		width -= v
 		elements -= 1
-		ret = append(ret, v)
+		ret[elements] = v
 	}
 	return ret
 }