1 files changed, 48 insertions, 0 deletions
diff --git a/model/group.go b/model/group.go
new file mode 100644
index 0000000..a06c2ef
--- /dev/null
+++ b/model/group.go
@@ -0,0 +1,48 @@
+// Package model implements custom types and methods used in conf parser.
+//
+// This file is part of conf library.
+// Copyright (C) 2026  Alexander NeonXP Kiryukhin <i@neonxp.ru>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+package model
+
+import "iter"
+
+type Group []Directive
+
+// Get returns first directive with given name.
+func (g Group) Get(name Ident) *Directive {
+	for _, c := range g {
+		if c.Name == name {
+			return &c
+		}
+	}
+	return nil
+}
+
+// Filter directives by predicate and returns iterator over filtered items.
+func (g Group) Filter(predicate func(c *Directive) bool) iter.Seq[*Directive] {
+	return func(yield func(*Directive) bool) {
+		for _, c := range g {
+			if predicate(&c) && !yield(&c) {
+				return
+			}
+		}
+	}
+}
+
+// Directives returns iterator over Directives by ident.
+func (g Group) Directives(ident Ident) iter.Seq[*Directive] {
+	return g.Filter(func(c *Directive) bool { return c.Name == ident })
+}