сделал Int32FromString()

.golangci.yml

@@ -0,0 +1,6 @@
+# Options for analysis running.
+linters-settings:
+  gocyclo:
+    # Minimal code complexity to report.
+    # Default: 30 (but we recommend 10-20)
+    min-complexity: 10

Makefile

@@ -49,3 +49,5 @@ lines:
 	go_lines_count ./ ./docs/lines_count.txt 10
 licenses:
 	golicense -out-xlsx=./docs/licenses.xlsx $(FILEAPP)
+gocyclo:
+	golangci-lint run ./... --disable-all -E gocyclo -v

micro/microfunctions.go

@@ -978,3 +978,13 @@ func IsInt(s string) bool {
 	Otvet = true
 	return Otvet
 }
+
+// Int32FromString - возвращает int32 из строки
+func Int32FromString(s string) (int64, error) {
+	var Otvet int64
+	var err error
+
+	Otvet, err = strconv.ParseInt(s, 10, 32)
+
+	return Otvet, err
+}

micro/microfunctions_test.go

@@ -873,3 +873,38 @@ func TestIsInt(t *testing.T) {
 		t.Errorf("Expected false for string containing non-digit characters, but got: %v", nonDigitResult)
 	}
 }
+
+func TestInt32FromString(t *testing.T) {
+	// Test converting a valid string to int32
+	input1 := "12345"
+	expected1 := int64(12345)
+	result1, err1 := Int32FromString(input1)
+	if err1 != nil {
+		t.Errorf("Expected no error, but got: %v", err1)
+	}
+	if result1 != expected1 {
+		t.Errorf("Expected %d, but got: %d", expected1, result1)
+	}
+
+	// Test converting an empty string to int32
+	input2 := ""
+	expected2 := int64(0)
+	result2, err2 := Int32FromString(input2)
+	if err2 == nil {
+		t.Errorf("Expected error, but got: %v", err2)
+	}
+	if result2 != expected2 {
+		t.Errorf("Expected %d, but got: %d", expected2, result2)
+	}
+
+	// Test converting an invalid string to int32
+	input3 := "abc"
+	expected3 := int64(0)
+	result3, err3 := Int32FromString(input3)
+	if err3 == nil {
+		t.Error("Expected an error, but got none")
+	}
+	if result3 != expected3 {
+		t.Errorf("Expected %d, but got: %d", expected3, result3)
+	}
+}