nitg: Added comment for exec_and_check

Signed-off-by: Djomanix <johan.kayser@viacesi.fr>

diff --git a/src/toolcontext.nit b/src/toolcontext.nit
index f313063..b9ba9e8 100644 (file)
--- a/src/toolcontext.nit
+++ b/src/toolcontext.nit
@@ -133,7 +133,10 @@ class ToolContext
                        print "{s}"
                end
        end
-       
+
+       # Executes a program while checking if it's available and if the execution ended correctly
+       #
+       # Stops execution and prints errors if the program isn't available or didn't end correctly
        fun exec_and_check(args: Array[String], error: String)
         do
                 var prog = args.first