once 0.3.4

This crate provides an assert_has_not_been_called! macro that panics if the surrounding function is called twice. Useful for initialization functions.
Documentation
Builds

once's sandbox limits

All the builds on docs.rs are executed inside a sandbox with limited resources. The limits for this crate are the following:

Available RAM 6.44 GB
Maximum rustdoc execution time 15 minutes
Maximum size of a build log 102.40 kB
Network access blocked
Maximum number of build targets 10

If a build fails because it hit one of those limits please open an issue to get them increased.