diff options
Diffstat (limited to 'error.c')
-rw-r--r-- | error.c | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -323,6 +323,25 @@ warning_write(int argc, VALUE *argv, VALUE buf) * * warning 1 * warning 2 + * + * If the <code>:uplevel</code> keyword is given, the string will + * be prepended with information for the given caller frame in + * the same format used by the <code>rb_warn</code> C function. + * + * # In baz.rb + * def foo + * warn("invalid call to foo", uplevel: 1) + * end + * + * def bar + * foo + * end + * + * bar + * + * <em>produces:</em> + * + * baz.rb:6: warning: invalid call to foo */ static VALUE |