[][src]Module syntax::attr

Functions dealing with attributes and meta items.

Re-exports

pub use IntType::*;
pub use ReprAttr::*;
pub use StabilityLevel::*;
pub use crate::ast::Attribute;

Structs

AttributeTemplate

A template that the attribute input must match. Only top-level shape (#[attr] vs #[attr(...)] vs #[attr = ...]) is considered now.

Deprecation
RustcDeprecation
Stability

Represents the #[stable], #[unstable], #[rustc_{deprecated,const_unstable}] attributes.

Enums

InlineAttr
IntType
OptimizeAttr
ReprAttr
StabilityLevel

The available stability levels.

TransparencyError
UnwindAttr

Traits

HasAttrs

Functions

cfg_matches

Tests if a cfg-pattern matches the cfg set

check_builtin_macro_attribute
contains_feature_attr

Checks if attrs contains an attribute like #![feature(feature_name)]. This will not perform any "sanity checks" on the form of the attributes.

contains_name
eval_condition

Evaluate a cfg-like condition (with any and all), using eval to evaluate individual items.

filter_by_name
find_by_name
find_crate_name
find_deprecation

Finds the deprecation attribute. None if none exists.

find_repr_attrs

Parse #[repr(...)] forms.

find_stability

Collects stability info from all stability attributes in attrs. Returns None if no stability attributes are found.

find_transparency
find_unwind_attr

Determine what #[unwind] attribute is present in attrs, if any.

first_attr_value_str_by_name
is_known
is_known_lint_tool
is_used
list_contains_name
mark_known
mark_used
mk_attr
mk_attr_inner

Returns an inner attribute with the given value and span.

mk_attr_outer

Returns an outer attribute with the given value and span.

mk_list_item
mk_name_value_item
mk_name_value_item_str
mk_nested_word_item
mk_sugared_doc_attr
mk_word_item