2019 Complete!

2019/day25/util.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"strings"
+
+	termboxUtil "github.com/br0xen/termbox-util"
+	"github.com/nsf/termbox-go"
+)
+
+// Some characters for display
+const (
+	ChUpKeyValue    = '↑'
+	ChRightKeyValue = '→'
+	ChDownKeyValue  = '↓'
+	ChLeftKeyValue  = '←'
+	ChEnterKeyValue = '⏎'
+	ChCursor        = '┇'
+)
+
+func DrawString(v string, x, y int, fg, bg termbox.Attribute) (int, int) {
+	termboxUtil.DrawStringAtPoint(v, x, y, fg, bg)
+	return (x + len(v)), (y + 1)
+}
+
+func FilterStrings(h []string, n string) []string {
+	var ret []string
+	for _, v := range h {
+		if strings.HasPrefix(v, n) {
+			ret = append(ret, v)
+		}
+	}
+	return ret
+}