[ruby/error_highlight] Show no message when failing to get caller/callee snippets

Even with Ruby 4.0, snippets is not always available, such as in irb by
default. It would be better to just say nothing than to show a confusing
message.

https://github.com/ruby/error_highlight/commit/ef80ce73a1

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/error_highlight/core_ext.rb b/lib/error_highlight/core_ext.rb
index 1cfc331582..c3354f46cd 100644
--- a/lib/error_highlight/core_ext.rb
+++ b/lib/error_highlight/core_ext.rb
@@ -24,7 +24,7 @@ module ErrorHighlight
               _, _, snippet, highlight = ErrorHighlight.formatter.message_for(spot).lines
               out += "\n    | #{ snippet }      #{ highlight }"
             else
-              out += "\n    (cannot highlight method definition; try Ruby 4.0 or later)"
+              # do nothing
             end
           end
           ret << "\n" + out if out