Struct rustc::middle::region::ScopeTree [] [src]

pub struct ScopeTree { /* fields omitted */ }
🔬 This is a nightly-only experimental API. (rustc_private)

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The region scope tree encodes information about region relationships.

Methods

impl<'tcx> ScopeTree
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[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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Returns the narrowest scope that encloses id, if any.

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🔬 This is a nightly-only experimental API. (rustc_private)

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Returns the narrowest scope that encloses id, if any.

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🔬 This is a nightly-only experimental API. (rustc_private)

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Returns the lifetime of the local variable var_id

[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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Returns the scope when temp created by expr_id will be cleaned up

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🔬 This is a nightly-only experimental API. (rustc_private)

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Returns the lifetime of the variable id.

[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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Returns true if subscope is equal to or is lexically nested inside superscope and false otherwise.

[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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Finds the nearest common ancestor (if any) of two scopes. That is, finds the smallest scope which is greater than or equal to both scope_a and scope_b.

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Assuming that the provided region was defined within this ScopeTree, returns the outermost Scope that the region outlives.

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🔬 This is a nightly-only experimental API. (rustc_private)

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Assuming that the provided region was defined within this ScopeTree, returns the outermost Scope that the region outlives.

[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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Checks whether the given scope contains a yield. If so, returns Some((span, expr_count)) with the span of a yield we found and the number of expressions appearing before the yield in the body.

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🔬 This is a nightly-only experimental API. (rustc_private)

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Gives the number of expressions visited in a body. Used to sanity check visit_expr call count when calculating generator interiors.

Trait Implementations

impl Default for ScopeTree
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Returns the "default value" for a type. Read more

impl Debug for ScopeTree
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Formats the value using the given formatter.

impl<'gcx> HashStable<StableHashingContext<'gcx>> for ScopeTree
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🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?