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check.rs: inline a constant

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This commit is contained in:
Mazdak Farrokhzad 2019-11-30 03:30:49 +01:00
parent b45f21d38e
commit 9626181494
1 changed files with 4 additions and 4 deletions
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8
src/libsyntax/feature_gate/check.rs
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@ -145,9 +145,6 @@ fn leveled_feature_err<'a, S: Into<MultiSpan>>(
}
const EXPLAIN_BOX_SYNTAX: &str =
"box expression syntax is experimental; you can call `Box::new` instead";
struct PostExpansionVisitor<'a> {
parse_sess: &'a ParseSess,
features: &'a Features,
@ -507,7 +504,10 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> {
fn visit_expr(&mut self, e: &'a ast::Expr) {
match e.kind {
ast::ExprKind::Box(_) => {
gate_feature_post!(&self, box_syntax, e.span, EXPLAIN_BOX_SYNTAX);
gate_feature_post!(
&self, box_syntax, e.span,
"box expression syntax is experimental; you can call `Box::new` instead"
);
}
ast::ExprKind::Type(..) => {
// To avoid noise about type ascription in common syntax errors, only emit if it