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convenience api

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This commit is contained in:
Aleksey Kladov 2019-07-19 19:05:34 +03:00
parent a6df224f7d
commit 191a6ba330
8 changed files with 63 additions and 50 deletions
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8
crates/ra_syntax/src/ast/extensions.rs
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@ -239,7 +239,7 @@ impl ast::FnDef {
pub fn semicolon_token(&self) -> Option<SyntaxToken> {
self.syntax()
.last_child_or_token()
.and_then(|it| it.as_token().cloned())
.and_then(|it| it.into_token())
.filter(|it| it.kind() == T![;])
}
}
@ -332,7 +332,7 @@ impl ast::SelfParam {
pub fn self_kw_token(&self) -> SyntaxToken {
self.syntax()
.children_with_tokens()
.filter_map(|it| it.as_token().cloned())
.filter_map(|it| it.into_token())
.find(|it| it.kind() == T![self])
.expect("invalid tree: self param must have self")
}
@ -361,7 +361,7 @@ impl ast::LifetimeParam {
pub fn lifetime_token(&self) -> Option<SyntaxToken> {
self.syntax()
.children_with_tokens()
.filter_map(|it| it.as_token().cloned())
.filter_map(|it| it.into_token())
.find(|it| it.kind() == LIFETIME)
}
}
@ -370,7 +370,7 @@ impl ast::WherePred {
pub fn lifetime_token(&self) -> Option<SyntaxToken> {
self.syntax()
.children_with_tokens()
.filter_map(|it| it.as_token().cloned())
.filter_map(|it| it.into_token())
.find(|it| it.kind() == LIFETIME)
}
}