pub struct CompileCheckpoint { /* private fields */ }Expand description
A checkpoint of the tables a compile attempt grows as it goes, taken by
State::checkpoint and undone by State::rollback_to when the attempt
ends in a diagnostic.
Two attempts use it: a host’s Program::call,
which compiles a trampoline against a program that must stay callable
after a refused call, and the entry-point pass, which tries an any entry
point for a host-called function with a bare parameter and keeps building
when the body does not compile at any.
This is a handful of lengths, one per table plus one per function and one per file, not a copy of the tables, so an attempt that succeeds pays for little more than reading them.
Auto Trait Implementations§
impl Freeze for CompileCheckpoint
impl RefUnwindSafe for CompileCheckpoint
impl Send for CompileCheckpoint
impl Sync for CompileCheckpoint
impl Unpin for CompileCheckpoint
impl UnsafeUnpin for CompileCheckpoint
impl UnwindSafe for CompileCheckpoint
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