Rename unchecked methods to extended #4540
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This renames all "unchecked" methods to better define their behavior. "unchecked" methods in Rust are traditionally used to signify methods that can have undefined behavior if used incorrectly. These methods do not have undefined behavior. These methods are completely safe and what is really happening is the lifetime is not "unchecked" but rather extended to
'static
and runtime checks are used to enforce safety instead. Thusunchecked
is renamed toextended
.This a small breaking change @jkelleyrtp but I do think it would be worth while to get in now for the
0.7
release.closes #4517