lib: remove useless usage of `is`
authorJean Privat <jean@pryen.org>
Tue, 26 Nov 2013 19:58:18 +0000 (14:58 -0500)
committerJean Privat <jean@pryen.org>
Tue, 26 Nov 2013 19:58:18 +0000 (14:58 -0500)
commit7cf2b44d30f3e340497ce3d6c1ddcef93cee0405
treec7d99ae10b4b8ca4b6c9d743d270fde2624c7b74
parenta0e921f9396a32d5f60c6a7eced17364644b0fd7
lib: remove useless usage of `is`

Signed-off-by: Jean Privat <jean@pryen.org>
lib/standard/collection/abstract_collection.nit
lib/standard/string.nit