diff options
| -rw-r--r-- | mrbgems/mruby-io/mrblib/io.rb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mrbgems/mruby-io/mrblib/io.rb b/mrbgems/mruby-io/mrblib/io.rb index 5df1932df..c0cfdc403 100644 --- a/mrbgems/mruby-io/mrblib/io.rb +++ b/mrbgems/mruby-io/mrblib/io.rb @@ -182,9 +182,9 @@ class IO def ungetc(substr) raise TypeError.new "expect String, got #{substr.class}" unless substr.is_a?(String) if @buf.empty? - @buf = substr.dup + @buf.replace(substr) else - @buf = substr + @buf + @buf[0,0] = substr end nil end |