diff options
Diffstat (limited to 'test/files/pos/t5744/Macros_1.scala')
-rw-r--r-- | test/files/pos/t5744/Macros_1.scala | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/files/pos/t5744/Macros_1.scala b/test/files/pos/t5744/Macros_1.scala new file mode 100644 index 0000000000..288a88653d --- /dev/null +++ b/test/files/pos/t5744/Macros_1.scala @@ -0,0 +1,22 @@ +import scala.language.experimental.macros +import scala.reflect.macros.Context + +object Macros { + def foo[U: Numeric](x: U) = macro foo_impl[U] + def bar[U: Numeric : Equiv, Y <% String](x: U)(implicit s: String) = macro bar_impl[U, Y] + + def foo_impl[U](c: Context)(x: c.Expr[U])(numeric: c.Expr[Numeric[U]]) = { + import c.universe._ + val plusOne = Apply(Select(numeric.tree, newTermName("plus")), List(x.tree, Literal(Constant(1)))) + val body = Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(plusOne)) + c.Expr[Unit](body) + } + + def bar_impl[U, Y](c: Context)(x: c.Expr[U])(numeric: c.Expr[Numeric[U]], equiv: c.Expr[Equiv[U]], viewAsString: c.Expr[Y => String], s: c.Expr[String]) = { + import c.universe._ + val plusOne = Apply(Select(numeric.tree, newTermName("plus")), List(x.tree, Literal(Constant(1)))) + val plusLen = Apply(Select(numeric.tree, newTermName("plus")), List(plusOne, Select(s.tree, newTermName("length")))) + val body = Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(plusLen)) + c.Expr[Unit](body) + } +}
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