multiline string literals

lynglib/src/jvmTest/kotlin/BookTest.kt

@@ -6,6 +6,7 @@ import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.test.runTest
 import net.sergeych.lyng.Scope
 import net.sergeych.lyng.Script
+import net.sergeych.lyng.leftMargin
 import net.sergeych.lyng.obj.ObjVoid
 import java.nio.file.Files
 import java.nio.file.Files.readAllLines
@@ -16,18 +17,6 @@ import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.fail
 
-fun leftMargin(s: String): Int {
-    var cnt = 0
-    for (c in s) {
-        when (c) {
-            ' ' -> cnt++
-            '\t' -> cnt = (cnt / 4.0 + 0.9).toInt() * 4
-            else -> break
-        }
-    }
-    return cnt
-}
-
 data class DocTest(
     val fileName: String,
     val line: Int,