Enum rustc_typeck::check::upvar::PlaceAncestryRelation

source · 
enum PlaceAncestryRelation {
    Ancestor,
    Descendant,
    SamePlace,
    Divergent,
}
Expand description

Describe the relationship between the paths of two places eg:

  • foo is ancestor of foo.bar.baz
  • foo.bar.baz is an descendant of foo.bar
  • foo.bar and foo.baz are divergent

Variants

Ancestor

Descendant

SamePlace

Divergent

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Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.

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: 1 byte

Size for each variant:

  • Ancestor: 0 bytes
  • Descendant: 0 bytes
  • SamePlace: 0 bytes
  • Divergent: 0 bytes