[rakudo] Make sleep return the value it was given, which for now fakes the number of seconds slept. More importantly, it avoids a Null PMC Access exception. We can improve this once sub-second time support is in place through the time() call. Patch from Carl Mäsak <cmasak at gmail.com> (masak++).
[rakudo] Make sleep return the value it was given, which for now fakes the number of seconds slept. More importantly, it avoids a Null PMC Access exception. We can improve this once sub-second time support is in place through the time() call. Patch from Carl Mäsak <cmasak at gmail.com> (masak++).

git-svn-id: ebc29296f9ec9cd27706eb0497c26fede0e190b2@29751 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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