WIP

2 files changed, 59 insertions, 0 deletions

diff --git a/dict/dict.go b/dict/dict.go
index bc0f8bd..f153932 100644
--- a/dict/dict.go
+++ b/dict/dict.go
@@ -21,6 +21,10 @@ func NewDict[V any]() *Dict[V] {
 	}
 }
 
+func (d *Dict[V]) Len() int {
+	return len(d.s)
+}
+
 func (d *Dict[V]) Set(key string, val V) {
 	if i, ok := d.m[key]; ok {
 		d.s[i].Val = val
diff --git a/dict/serialize.go b/dict/serialize.go
new file mode 100644
index 0000000..da97c06
--- /dev/null
+++ b/dict/serialize.go
@@ -0,0 +1,55 @@
+package dict
+
+import (
+	"bufio"
+	"io"
+	"strings"
+)
+
+func LoadDict[V any](r io.Reader, f func(l string) (string, V)) (*Dict[V], error) {
+	//var d *Dict[V]
+	//
+	//if l, err := linesNotEmpty(r); err != nil {
+	//	return nil, err
+	//} else {
+	//	d = NewDict[V](l)
+	//}
+
+	d := NewDict[V]()
+
+	scanner := bufio.NewScanner(r)
+
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		if err := scanner.Err(); err != nil {
+			return nil, err
+		}
+
+		k, v := f(line)
+
+		d.Set(k, v)
+	}
+
+	return d, nil
+}
+
+func linesNotEmpty(r io.Reader) (int, error) {
+	scanner := bufio.NewScanner(r)
+
+	count := 0
+
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		if strings.TrimSpace(line) != "" {
+			count++
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return 0, err
+	}
+
+	return count, nil
+}