Module cfg_eval 

Re-exports

use core::ops::ControlFlow; 🔒

use rustc_ast as ast; 🔒

use rustc_ast::mut_visit::MutVisitor; 🔒

use rustc_ast::visit::AssocCtxt; 🔒

use rustc_ast::visit::Visitor; 🔒

use rustc_ast::Attribute; 🔒

use rustc_ast::HasTokens; 🔒

use rustc_ast::NodeId; 🔒

use rustc_ast::mut_visit; 🔒

use rustc_ast::visit; 🔒

use rustc_errors::PResult; 🔒

use rustc_expand::base::Annotatable; 🔒

use rustc_expand::base::ExtCtxt; 🔒

use rustc_expand::config::StripUnconfigured; 🔒

use rustc_expand::configure; 🔒

use rustc_feature::Features; 🔒

use rustc_parse::parser::AllowConstBlockItems; 🔒

use rustc_parse::parser::ForceCollect; 🔒

use rustc_parse::parser::Parser; 🔒

use rustc_session::Session; 🔒

use rustc_span::Span; 🔒

use rustc_span::sym; 🔒

use smallvec::SmallVec; 🔒

use tracing::instrument; 🔒

use tracing::instrument; 🔒

use crate::util::check_builtin_macro_attribute; 🔒

use crate::util::warn_on_duplicate_attribute; 🔒

Structs

CfgEval 🔒

Functions

cfg_eval 🔒

expand 🔒

has_cfg_or_cfg_attr 🔒