Removed/Updated some cases and simplified match

Author: fee1-dead

src/librustdoc/html/format.rs

@@ -1284,7 +1284,7 @@ crate fn print_constness_with_space(
         )
         | (hir::Constness::Const, None) => "const ",
         // const unstable or not const
-        (hir::Constness::Const, _) | (hir::Constness::NotConst, _) => "",
+        _ => "",
     }
 }
 

src/test/rustdoc/const-display.rs

@@ -20,51 +20,32 @@ pub const fn foo() -> u32 { 42 }
 pub const unsafe fn foo_unsafe() -> u32 { 42 }
 
 // @has 'foo/fn.foo2.html' '//pre' 'pub const fn foo2() -> u32'
+// @!has - '//span[@class="since"]'
 #[unstable(feature = "humans", issue = "none")]
 pub const fn foo2() -> u32 { 42 }
 
-// @has 'foo/fn.foo2_unsafe.html' '//pre' 'pub const unsafe fn foo2_unsafe() -> u32'
-#[unstable(feature = "humans", issue = "none")]
-pub const unsafe fn foo2_unsafe() -> u32 { 42 }
-
 // @has 'foo/fn.bar2.html' '//pre' 'pub const fn bar2() -> u32'
 // @has - //span '1.0.0 (const: 1.0.0)'
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_const_stable(feature = "rust1", since = "1.0.0")]
 pub const fn bar2() -> u32 { 42 }
 
-// @has 'foo/fn.bar2_unsafe.html' '//pre' 'pub const unsafe fn bar2_unsafe() -> u32'
-// @has - //span '1.0.0 (const: 1.0.0)'
-#[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
-pub const unsafe fn bar2_unsafe() -> u32 { 42 }
 
 // @has 'foo/fn.foo2_gated.html' '//pre' 'pub const fn foo2_gated() -> u32'
+// @!has - '//span[@class="since"]'
 #[unstable(feature = "foo2", issue = "none")]
 pub const fn foo2_gated() -> u32 { 42 }
 
-// @has 'foo/fn.foo2_gated_unsafe.html' '//pre' 'pub const unsafe fn foo2_gated_unsafe() -> u32'
-#[unstable(feature = "foo2", issue = "none")]
-pub const unsafe fn foo2_gated_unsafe() -> u32 { 42 }
-
 // @has 'foo/fn.bar2_gated.html' '//pre' 'pub const fn bar2_gated() -> u32'
 // @has - '//span[@class="since"]' '1.0.0 (const: 1.0.0)'
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_const_stable(feature = "rust1", since = "1.0.0")]
 pub const fn bar2_gated() -> u32 { 42 }
 
-// @has 'foo/fn.bar2_gated_unsafe.html' '//pre' 'pub const unsafe fn bar2_gated_unsafe() -> u32'
-// @has - '//span[@class="since"]' '1.0.0 (const: 1.0.0)'
-#[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
-pub const unsafe fn bar2_gated_unsafe() -> u32 { 42 }
-
 // @has 'foo/fn.bar_not_gated.html' '//pre' 'pub const fn bar_not_gated() -> u32'
+// @!has - '//span[@class="since"]'
 pub const fn bar_not_gated() -> u32 { 42 }
 
-// @has 'foo/fn.bar_not_gated_unsafe.html' '//pre' 'pub const unsafe fn bar_not_gated_unsafe() -> u32'
-pub const unsafe fn bar_not_gated_unsafe() -> u32 { 42 }
-
 pub struct Foo;
 
 impl Foo {
@@ -85,10 +66,4 @@ impl Foo {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_const_stable(feature = "rust1", since = "1.2.0")]
     pub const fn stable_impl() -> u32 { 42 }
-
-    // @has 'foo/struct.Foo.html' '//div[@id="method.stable_impl_unsafe"]/code' 'pub const unsafe fn stable_impl_unsafe() -> u32'
-    // @has - '//span[@class="since"]' '1.0.0 (const: 1.2.0)'
-    #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "rust1", since = "1.2.0")]
-    pub const unsafe fn stable_impl_unsafe() -> u32 { 42 }
 }