Module ra_ap_hir_expand::db[−][src]

Expand description

Defines database & queries for macro expansion.

Structs

AstDatabaseGroupStorage__
AstDatabaseStorage

Representative struct for the query group.

AstIdMapQuery
ExpandProcMacroQuery
HygieneFrameQuery
InternMacroLookupQuery
InternMacroQuery
MacroArgTextQuery
MacroDefQuery
MacroExpandErrorQuery
MacroExpandQuery
ParseMacroExpansionQuery

Enums

TokenExpander

Traits

AstDatabase

Functions

expand_speculative

This expands the given macro call, but with different arguments. This is used for completion, where we want to see what ‘would happen’ if we insert a token. The token_to_map mapped down into the expansion, with the mapped token returned.