user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

add feature gate const_indexing

Browse source 
tracking issue is #29947
This commit is contained in:
Oliver Schneider 2015-11-20 10:43:04 +01:00
parent 6683fa4d42
commit 64051221b6
5 changed files with 22 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/libsyntax/feature_gate.rs
View file

@ -179,6 +179,9 @@ const KNOWN_FEATURES: &'static [(&'static str, &'static str, Option<u32>, Status
// Allows the definition of `const fn` functions.
("const_fn", "1.2.0", Some(24111), Active),
// Allows indexing into constant arrays.
("const_indexing", "1.4.0", Some(29947), Active),
// Allows using #[prelude_import] on glob `use` items.
//
// rustc internal
@ -494,6 +497,7 @@ pub struct Features {
/// #![feature] attrs for non-language (library) features
pub declared_lib_features: Vec<(InternedString, Span)>,
pub const_fn: bool,
pub const_indexing: bool,
pub static_recursion: bool,
pub default_type_parameter_fallback: bool,
pub type_macros: bool,
@ -525,6 +529,7 @@ impl Features {
declared_stable_lang_features: Vec::new(),
declared_lib_features: Vec::new(),
const_fn: false,
const_indexing: false,
static_recursion: false,
default_type_parameter_fallback: false,
type_macros: false,
@ -1097,6 +1102,7 @@ fn check_crate_inner<F>(cm: &CodeMap, span_handler: &SpanHandler,
declared_stable_lang_features: accepted_features,
declared_lib_features: unknown_features,
const_fn: cx.has_feature("const_fn"),
const_indexing: cx.has_feature("const_indexing"),
static_recursion: cx.has_feature("static_recursion"),
default_type_parameter_fallback: cx.has_feature("default_type_parameter_fallback"),
type_macros: cx.has_feature("type_macros"),