src/gobang.go: Add Heredoc()

2 files changed, 37 insertions, 0 deletions

diff --git a/src/gobang.go b/src/gobang.go
index 8777247..3c705b7 100644
--- a/src/gobang.go
+++ b/src/gobang.go
@@ -76,6 +76,10 @@ var (
 
 
 
+func Heredoc(s string) string {
+	return strings.Trim(strings.ReplaceAll(s, "\t", ""), "\n") + "\n"
+}
+
 func SetOf[T comparable](values ...T) SetT[T] {
 	s := SetT[T]{
 		data: map[T]struct{}{
diff --git a/tests/gobang.go b/tests/gobang.go
index fe47086..7391475 100644
--- a/tests/gobang.go
+++ b/tests/gobang.go
@@ -15,6 +15,38 @@ import (
 
 
 
+func test_Heredoc() {
+	TestStart("Heredoc()")
+
+	Testing("only add newline on empty string", func() {
+		TAssertEqual(Heredoc(""), "\n")
+	})
+
+	Testing("remove leading newline", func() {
+		given := Heredoc(`
+    Start
+    and
+    end
+`)
+		expected := `    Start
+    and
+    end
+`
+
+		TAssertEqual(given, expected)
+	})
+
+	Testing("removes ALL tabs", func() {
+		given := Heredoc(`
+			Tab here>	<within the line
+		`)
+
+		expected := "Tab here><within the line\n"
+
+		TAssertEqual(given, expected)
+	})
+}
+
 func test_SetOf() {
 	TestStart("SetOf()")
 
@@ -1556,6 +1588,7 @@ func test_setHostname() {
 func MainTest() {
 	Init()
 
+	test_Heredoc()
 	test_SetOf()
 	test_Contains()
 	test_MapIndexed()