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Fix comment on ast::DefStruct #10866

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Merged
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Dec 9, 2013
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Fix comment on ast::DefStruct #10866

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11 changes: 8 additions & 3 deletions src/libsyntax/ast.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -254,9 +254,14 @@ pub enum Def {
NodeId, // expr node that creates the closure
NodeId), // id for the block/body of the closure expr

/// Note that if it's a tuple struct's definition, the node id
/// of the DefId refers to the struct_def.ctor_id (whereas normally it
/// refers to the item definition's id).
/// Note that if it's a tuple struct's definition, the node id of the DefId
/// may either refer to the item definition's id or the struct_def.ctor_id.
///
/// The cases that I have encountered so far are (this is not exhaustive):
/// - If it's a ty_path referring to some tuple struct, then DefMap maps
/// it to a def whose id is the item definition's id.
/// - If it's an ExprPath referring to some tuple struct, then DefMap maps
/// it to a def whose id is the struct_def.ctor_id.
DefStruct(DefId),
DefTyParamBinder(NodeId), /* struct, impl or trait with ty params */
DefRegion(NodeId),
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