added stack, added smapHEADmaster

1 files changed, 28 insertions, 0 deletions

diff --git a/container/stack.go b/container/stack.go
new file mode 100644
index 0000000..0f5a640
--- /dev/null
+++ b/container/stack.go
@@ -0,0 +1,28 @@
+// Package container содержит стандартные контейнеры для данных.
+package container
+
+// Stack container.
+type Stack[T any] []T
+
+// Push element to stack.
+func (s *Stack[T]) Push(e T) {
+	*s = append(*s, e)
+}
+
+// Pop element from stack.
+func (s *Stack[T]) Pop() T {
+	var e T
+	if len(*s) > 0 {
+		e, *s = (*s)[len(*s)-1], (*s)[:len(*s)-1]
+	}
+	return e
+}
+
+// Top element on stack.
+func (s *Stack[T]) Top() T {
+	var e T
+	if len(*s) > 0 {
+		e = (*s)[len(*s)-1]
+	}
+	return e
+}