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Various small code review improvements

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This commit is contained in:
Florian Diebold 2019-01-06 00:33:58 +01:00
parent 8e3e5ab2c8
commit e5a6cf8153
3 changed files with 27 additions and 26 deletions
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12
crates/ra_hir/src/function/scope.rs
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@ -66,8 +66,7 @@ impl FnScopes {
.scope_chain_for(context_expr)
.flat_map(|scope| self.entries(scope).iter())
.filter(|entry| shadowed.insert(entry.name()))
.filter(|entry| entry.name() == &name)
.nth(0);
.find(|entry| entry.name() == &name);
ret
}
@ -84,7 +83,7 @@ impl FnScopes {
})
}
fn add_bindings(&mut self, body: &Body, scope: ScopeId, pat: PatId) {
match body.pat(pat) {
match &body[pat] {
Pat::Bind { name } => self.scopes[scope].entries.push(ScopeEntry {
name: name.clone(),
pat,
@ -96,7 +95,7 @@ impl FnScopes {
let body = Arc::clone(&self.body);
params
.into_iter()
.for_each(|it| self.add_bindings(&body, scope, *it));
.for_each(|pat| self.add_bindings(&body, scope, *pat));
}
fn set_scope(&mut self, node: ExprId, scope: ScopeId) {
self.scope_for.insert(node, scope);
@ -218,8 +217,7 @@ impl ScopesWithSyntaxMapping {
node.ancestors()
.map(LocalSyntaxPtr::new)
.filter_map(|ptr| self.syntax_mapping.syntax_expr(ptr))
.filter_map(|it| self.scopes.scope_for(it))
.next()
.find_map(|it| self.scopes.scope_for(it))
}
}
@ -264,7 +262,7 @@ fn compute_block_scopes(
fn compute_expr_scopes(expr: ExprId, body: &Body, scopes: &mut FnScopes, scope: ScopeId) {
scopes.set_scope(expr, scope);
match body.expr(expr) {
match &body[expr] {
Expr::Block { statements, tail } => {
compute_block_scopes(&statements, *tail, body, scopes, scope);
}