diff options
Diffstat (limited to 'warning.rb')
| -rw-r--r-- | warning.rb | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/warning.rb b/warning.rb index 4e34c63833..625dd9506b 100644 --- a/warning.rb +++ b/warning.rb @@ -40,14 +40,20 @@ module Kernel # baz.rb:6: warning: invalid call to foo # # If <code>category</code> keyword argument is given, passes the category - # to <code>Warning.warn</code>. The category given must be be one of the + # to <code>Warning.warn</code>. The category given must be one of the # following categories: # # :deprecated :: Used for warning for deprecated functionality that may # be removed in the future. # :experimental :: Used for experimental features that may change in # future releases. + # :performance :: Used for warning about APIs or pattern that have + # negative performance impact def warn(*msgs, uplevel: nil, category: nil) - Primitive.rb_warn_m(msgs, uplevel, category) + if Primitive.cexpr!("NIL_P(category)") + Primitive.rb_warn_m(msgs, uplevel, nil) + elsif Warning[category = Primitive.cexpr!("rb_to_symbol_type(category)")] + Primitive.rb_warn_m(msgs, uplevel, category) + end end end |