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Parse associated return type bounds

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Ryo Yoshida 2023-05-06 20:29:13 +09:00
parent d7d8971203
commit fa2340a4df
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12 changed files with 361 additions and 5 deletions
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6
crates/syntax/rust.ungram
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@ -51,7 +51,9 @@ TypeArg =
Type
AssocTypeArg =
NameRef GenericArgList? (':' TypeBoundList | ('=' Type | ConstArg))
NameRef
(GenericArgList | ParamList RetType?)?
(':' TypeBoundList | ('=' Type | ConstArg))
LifetimeArg =
Lifetime
@ -581,7 +583,7 @@ ImplTraitType =
'impl' TypeBoundList
DynTraitType =
'dyn' TypeBoundList
'dyn'? TypeBoundList
TypeBoundList =
bounds:(TypeBound ('+' TypeBound)* '+'?)

2
crates/syntax/src/ast/generated/nodes.rs
View file

@ -121,6 +121,8 @@ impl ast::HasTypeBounds for AssocTypeArg {}
impl AssocTypeArg {
pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
pub fn generic_arg_list(&self) -> Option<GenericArgList> { support::child(&self.syntax) }
pub fn param_list(&self) -> Option<ParamList> { support::child(&self.syntax) }
pub fn ret_type(&self) -> Option<RetType> { support::child(&self.syntax) }
pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
pub fn const_arg(&self) -> Option<ConstArg> { support::child(&self.syntax) }