Module util 

Re-exports

use std::num::IntErrorKind; 🔒

use rustc_ast::LitKind; 🔒

use rustc_ast::ast; 🔒

use rustc_attr_ir::RustcVersion; 🔒

use rustc_feature::is_builtin_attr_name; 🔒

use rustc_span::Symbol; 🔒

use rustc_structures::Limit; 🔒

use crate::context::AcceptContext; 🔒

use crate::diagnostics::LimitInvalid; 🔒

use crate::parser::ArgParser; 🔒

use crate::parser::NameValueParser; 🔒

Functions

is_builtin_attr

parse_single_integer 🔒

Parse a single integer.

parse_version

Parse a rustc version number written inside string literal in an attribute, like appears in since = "1.0.0". Suffixes like “-dev” and “-nightly” are not accepted in this position, unlike when parsing CFG_RELEASE.