{"action":"closed","issue":{"url":"https://api.github.com/repos/stack-of-tasks/pinocchio/issues/323","repository_url":"https://api.github.com/repos/stack-of-tasks/pinocchio","labels_url":"https://api.github.com/repos/stack-of-tasks/pinocchio/issues/323/labels{/name}","comments_url":"https://api.github.com/repos/stack-of-tasks/pinocchio/issues/323/comments","events_url":"https://api.github.com/repos/stack-of-tasks/pinocchio/issues/323/events","html_url":"https://github.com/stack-of-tasks/pinocchio/issues/323","id":177111457,"node_id":"MDU6SXNzdWUxNzcxMTE0NTc=","number":323,"title":"Conversion from signed to unsigned types","user":{"login":"fvalenza","id":7045681,"node_id":"MDQ6VXNlcjcwNDU2ODE=","avatar_url":"https://avatars3.githubusercontent.com/u/7045681?v=4","gravatar_id":"","url":"https://api.github.com/users/fvalenza","html_url":"https://github.com/fvalenza","followers_url":"https://api.github.com/users/fvalenza/followers","following_url":"https://api.github.com/users/fvalenza/following{/other_user}","gists_url":"https://api.github.com/users/fvalenza/gists{/gist_id}","starred_url":"https://api.github.com/users/fvalenza/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fvalenza/subscriptions","organizations_url":"https://api.github.com/users/fvalenza/orgs","repos_url":"https://api.github.com/users/fvalenza/repos","events_url":"https://api.github.com/users/fvalenza/events{/privacy}","received_events_url":"https://api.github.com/users/fvalenza/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2016-09-15T07:48:38Z","updated_at":"2018-07-02T20:03:42Z","closed_at":"2018-07-02T20:03:42Z","author_association":"CONTRIBUTOR","body":"With the change of return type of methods such as addFrame, we often have such lines:\n`FrameIndex jointFrameId = model.addJointFrame(idx, parentFrameId);`\n\nwith addJointFrame that returns int and FrameIndex of type std::size_t. As these methods now can return `-1`,  problems can rise (affecting -1 to unsigned long).\n\nShall we rethink the use of std::size_t as indexes ?\n"}}
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