diff options
| -rw-r--r-- | src/library/scala/StringContext.scala | 2 | ||||
| -rw-r--r-- | test/files/neg/t7848-interp-warn.flags | 2 | ||||
| -rw-r--r-- | test/junit/scala/StringContextTest.scala | 13 |
3 files changed, 15 insertions, 2 deletions
diff --git a/src/library/scala/StringContext.scala b/src/library/scala/StringContext.scala index 2d2601c6fb..20a328ec8f 100644 --- a/src/library/scala/StringContext.scala +++ b/src/library/scala/StringContext.scala @@ -163,7 +163,7 @@ case class StringContext(parts: String*) { */ // The implementation is hardwired to `scala.tools.reflect.MacroImplementations.macro_StringInterpolation_f` // Using the mechanism implemented in `scala.tools.reflect.FastTrack` - def f(args: Any*): String = macro ??? + def f[A >: Any](args: A*): String = macro ??? } object StringContext { diff --git a/test/files/neg/t7848-interp-warn.flags b/test/files/neg/t7848-interp-warn.flags index 7949c2afa2..b0d7bc25cb 100644 --- a/test/files/neg/t7848-interp-warn.flags +++ b/test/files/neg/t7848-interp-warn.flags @@ -1 +1 @@ --Xlint -Xfatal-warnings +-Xlint:missing-interpolator -Xfatal-warnings diff --git a/test/junit/scala/StringContextTest.scala b/test/junit/scala/StringContextTest.scala index bb0e8c4252..608b82bd96 100644 --- a/test/junit/scala/StringContextTest.scala +++ b/test/junit/scala/StringContextTest.scala @@ -62,4 +62,17 @@ class StringContextTest { //assertEquals("????", s"????") assertEquals("!!!!", s"????") // OK to hijack core interpolator ids } + + @Test def fIf() = { + val res = f"${if (true) 2.5 else 2.5}%.2f" + assertEquals("2.50", res) + } + @Test def fIfNot() = { + val res = f"${if (false) 2.5 else 3.5}%.2f" + assertEquals("3.50", res) + } + @Test def fHeteroArgs() = { + val res = f"${3.14}%.2f rounds to ${3}%d" + assertEquals("3.14 rounds to 3", res) + } } |