Normalize `syntax::edition` imports.

2 files changed, 5 insertions, 12 deletions

diff --git a/src/libsyntax/feature_gate/check.rs b/src/libsyntax/feature_gate/check.rs
index 4ccec421483..50712058874 100644
--- a/src/libsyntax/feature_gate/check.rs
+++ b/src/libsyntax/feature_gate/check.rs
@@ -1,7 +1,6 @@
 use crate::ast::{self, AssocTyConstraint, AssocTyConstraintKind, NodeId};
 use crate::ast::{GenericParam, GenericParamKind, PatKind, RangeEnd, VariantData};
 use crate::attr;
-use crate::edition::{Edition, ALL_EDITIONS};
 use crate::sess::ParseSess;
 use crate::visit::{self, FnKind, Visitor};
 
@@ -14,6 +13,7 @@ use rustc_feature::{Feature, Features, State as FeatureState, UnstableFeatures};
 use rustc_feature::{
     ACCEPTED_FEATURES, ACTIVE_FEATURES, REMOVED_FEATURES, STABLE_REMOVED_FEATURES,
 };
+use rustc_span::edition::{Edition, ALL_EDITIONS};
 use rustc_span::source_map::Spanned;
 use rustc_span::symbol::{sym, Symbol};
 use rustc_span::{MultiSpan, Span, DUMMY_SP};
diff --git a/src/libsyntax/lib.rs b/src/libsyntax/lib.rs
index 3815aa6d774..0b0a19517ec 100644
--- a/src/libsyntax/lib.rs
+++ b/src/libsyntax/lib.rs
@@ -21,7 +21,7 @@ use ast::AttrId;
 pub use errors;
 use rustc_data_structures::sync::Lock;
 use rustc_index::bit_set::GrowableBitSet;
-use rustc_span::edition::Edition;
+use rustc_span::edition::{Edition, DEFAULT_EDITION};
 
 #[macro_export]
 macro_rules! unwrap_or {
@@ -51,19 +51,13 @@ impl Globals {
     }
 }
 
-pub fn with_globals<F, R>(edition: Edition, f: F) -> R
-where
-    F: FnOnce() -> R,
-{
+pub fn with_globals<R>(edition: Edition, f: impl FnOnce() -> R) -> R {
     let globals = Globals::new(edition);
     GLOBALS.set(&globals, || rustc_span::GLOBALS.set(&globals.rustc_span_globals, f))
 }
 
-pub fn with_default_globals<F, R>(f: F) -> R
-where
-    F: FnOnce() -> R,
-{
-    with_globals(edition::DEFAULT_EDITION, f)
+pub fn with_default_globals<R>(f: impl FnOnce() -> R) -> R {
+    with_globals(DEFAULT_EDITION, f)
 }
 
 scoped_tls::scoped_thread_local!(pub static GLOBALS: Globals);
@@ -96,7 +90,6 @@ pub mod mut_visit;
 pub mod ptr;
 pub mod show_span;
 pub use rustc_session::parse as sess;
-pub use rustc_span::edition;
 pub mod token;
 pub mod tokenstream;
 pub mod visit;