rearrange builtins

object/array.go

@@ -0,0 +1,51 @@
+package object
+
+import (
+	"bytes"
+	"strings"
+)
+
+// Array is the array literal type that holds a slice of Object(s)
+type Array struct {
+	Elements []Object
+}
+
+func (ao *Array) Type() ObjectType {
+	return ARRAY_OBJ
+}
+func (ao *Array) Inspect() string {
+	var out bytes.Buffer
+
+	var elements []string
+	for _, e := range ao.Elements {
+		elements = append(elements, e.Inspect())
+	}
+
+	out.WriteString("[")
+	out.WriteString(strings.Join(elements, ", "))
+	out.WriteString("]")
+
+	return out.String()
+}
+func (ao *Array) String() string {
+	return ao.Inspect()
+}
+func (ao *Array) Equal(other Object) bool {
+	if obj, ok := other.(*Array); ok {
+		if len(ao.Elements) != len(obj.Elements) {
+			return false
+		}
+		for i, el := range ao.Elements {
+			cmp, ok := el.(Comparable)
+			if !ok {
+				return false
+			}
+			if !cmp.Equal(obj.Elements[i]) {
+				return false
+			}
+		}
+
+		return true
+	}
+	return false
+}