new feature: .used pragma to suppress declared-but-not-used warning

2017-02-17 18:03:56 +01:00 · 2017-02-17 18:03:56 +01:00 · 8f426b974a
commit 8f426b974a
parent dd8cbf5fca
5 changed files with 51 additions and 10 deletions
--- a/tests/pragmas/tused.nim
+++ b/tests/pragmas/tused.nim
@ -0,0 +1,13 @@
+discard """
+  output: '''8'''
+"""
+
+template implementArithOps(T) =
+  proc echoAdd(a, b: T) {.used.} =
+    echo a + b
+  proc echoSub(a, b: T) {.used.} =
+    echo a - b
+
+# no warning produced for the unused 'echoSub'
+implementArithOps(int)
+echoAdd 3, 5