Forbid use of panicky Rng::gen_range
Introduce a _checked version for most call sites and an _infallible version for ones where the range can be seen at compile-time to be nonempty. Use them everywhere.
Fixes #920 (closed)
Introduce a _checked version for most call sites and an _infallible version for ones where the range can be seen at compile-time to be nonempty. Use them everywhere.
Fixes #920 (closed)