Module env 

Re-exports

use std::env; 🔒

use std::env; 🔒

use std::env::VarError; 🔒

use rustc_ast::tokenstream::TokenStream; 🔒

use rustc_ast::GenericArg; 🔒

use rustc_ast::Mutability; 🔒

use rustc_ast_pretty::pprust; 🔒

use rustc_expand::base::DummyResult; 🔒

use rustc_expand::base::ExpandResult; 🔒

use rustc_expand::base::ExtCtxt; 🔒

use rustc_expand::base::MacEager; 🔒

use rustc_expand::base::MacroExpanderResult; 🔒

use rustc_span::edit_distance::edit_distance; 🔒

use rustc_span::Ident; 🔒

use rustc_span::Span; 🔒

use rustc_span::Symbol; 🔒

use rustc_span::kw; 🔒

use rustc_span::sym; 🔒

use thin_vec::thin_vec; 🔒

use crate::diagnostics; 🔒

use crate::util::expr_to_string; 🔒

use crate::util::get_exprs_from_tts; 🔒

use crate::util::get_single_expr_from_tts; 🔒

Constants

KNOWN_CARGO_VARS 🔒

Functions

expand_env 🔒

expand_option_env 🔒

find_similar_cargo_var 🔒

is_cargo_env_var 🔒

Returns true if an environment variable from env! could be one used by Cargo.

lookup_env 🔒