String#sub without replacement and block should raise an ArgumentError

topazproject / topaz

A high performance ruby, written in RPython

topazruby.com

BSD 3-Clause "New" or "Revised" License

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String#sub without replacement and block should raise an ArgumentError #852

Closed kachick closed 8 years ago

kachick commented 8 years ago

$ ruby -v
ruby 1.9.3p551 (2014-11-13) [x86_64-darwin14.5.0]
$ ruby -e '"abca".sub(/a/)'
-e:1:in `sub': wrong number of arguments (1 for 1..2) (ArgumentError)

$ bin/topaz -e '"abca".sub(/a/)'
Fatal RPython error: NotImplementedError
[1]    79162 abort      bin/topaz -e '"abca".sub(/a/)'