1 files changed, 38 insertions, 0 deletions
diff --git a/src/redefine.rs b/src/redefine.rs
new file mode 100644
index 0000000..a79cb4b
--- /dev/null
+++ b/src/redefine.rs
@@ -0,0 +1,38 @@
+// redefine.rs
+
+// *************************************************************************
+// * Copyright (C) 2019 Daniel Mueller (deso@posteo.net)                   *
+// *                                                                       *
+// * This program is free software: you can redistribute it and/or modify  *
+// * it under the terms of the GNU General Public License as published by  *
+// * the Free Software Foundation, either version 3 of the License, or     *
+// * (at your option) any later version.                                   *
+// *                                                                       *
+// * This program is distributed in the hope that it will be useful,       *
+// * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+// * GNU General Public License for more details.                          *
+// *                                                                       *
+// * You should have received a copy of the GNU General Public License     *
+// * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+// *************************************************************************
+
+// A replacement of the standard println!() macro that requires an
+// execution context as the first argument and prints to its stdout.
+macro_rules! println {
+  ($ctx:expr) => {
+    writeln!($ctx.stdout, "")
+  };
+  ($ctx:expr, $($arg:tt)*) => {
+    writeln!($ctx.stdout, $($arg)*)
+  };
+}
+
+macro_rules! eprintln {
+  ($ctx:expr) => {
+    writeln!($ctx.stderr, "")
+  };
+  ($ctx:expr, $($arg:tt)*) => {
+    writeln!($ctx.stderr, $($arg)*)
+  };
+}