Enum rustc_const_eval::interpret::stack::StackPopCleanup

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pub enum StackPopCleanup {
    Goto {
        ret: Option<BasicBlock>,
        unwind: UnwindAction,
    },
    Root {
        cleanup: bool,
    },
}

Variants§

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Goto

Jump to the next block in the caller, or cause UB if None (that’s a function that may never return). Also store layout of return place so we can validate it at that layout. ret stores the block we jump to on a normal return, while unwind stores the block used for cleanup during unwinding.

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Root

The root frame of the stack: nowhere else to jump to. cleanup says whether locals are deallocated. Static computation wants them leaked to intern what they need (and just throw away the entire ecx when it is done).

Fields

§cleanup: bool

Trait Implementations§

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impl Clone for StackPopCleanup

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fn clone(&self) -> StackPopCleanup

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for StackPopCleanup

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PartialEq for StackPopCleanup

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fn eq(&self, other: &StackPopCleanup) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for StackPopCleanup

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impl Eq for StackPopCleanup

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impl StructuralPartialEq for StackPopCleanup

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 12 bytes

Size for each variant:

  • Goto: 12 bytes
  • Root: 5 bytes