retry package:extra

Retry an operation at most n times (n must be positive). If the operation fails the nth time it will throw that final exception.

retry 1 (print "x")  == print "x"
retry 3 (fail "die") == fail "die"

Retry an operation at most n times (n must be positive), while the exception value and type match a predicate. If the operation fails the nth time it will throw that final exception.