Modules§
Structs§
- A wrapper type to ensure that the parser handles outer attributes correctly. When we parse outer attributes, we need to ensure that we capture tokens for the attribute target. This allows us to perform cfg-expansion on a token stream before we invoke a derive proc-macro.
Enums§
Functions§
- Returns
true
ifattrs
contains acfg
orcfg_attr
attribute - Converts a flattened iterator of tokens (including open and close delimiter tokens) into an
AttrTokenStream
, creating anAttrTokenTree::Delimited
for each matching pair of open and close delims. - Tokens are needed if: