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traits => match_ast!

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This commit is contained in:
kjeremy 2019-10-30 16:08:59 -04:00
parent b205a0ced3
commit 78f93c8033
1 changed files with 7 additions and 5 deletions
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12
crates/ra_syntax/src/ast/traits.rs
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@ -6,6 +6,7 @@ use itertools::Itertools;
use crate::{ use crate::{
ast::{self, child_opt, children, AstChildren, AstNode, AstToken}, ast::{self, child_opt, children, AstChildren, AstNode, AstToken},
match_ast,
syntax_node::{SyntaxElementChildren, SyntaxNodeChildren}, syntax_node::{SyntaxElementChildren, SyntaxNodeChildren},
}; };
@ -68,11 +69,12 @@ impl Iterator for ItemOrMacroIter {
fn next(&mut self) -> Option<ItemOrMacro> { fn next(&mut self) -> Option<ItemOrMacro> {
loop { loop {
let n = self.0.next()?; let n = self.0.next()?;
if let Some(item) = ast::ModuleItem::cast(n.clone()) { match_ast! {
return Some(ItemOrMacro::Item(item)); match n {
} ast::ModuleItem(it) => { return Some(ItemOrMacro::Item(it)) },
if let Some(call) = ast::MacroCall::cast(n) { ast::MacroCall(it) => { return Some(ItemOrMacro::Macro(it)) },
return Some(ItemOrMacro::Macro(call)); _ => {},
}
} }
} }
} }