Module unused 

Re-exports

use rustc_ast::util::classify; 🔒

use rustc_ast::util::parser; 🔒

use rustc_ast as ast; 🔒

use rustc_ast::ExprKind; 🔒

use rustc_ast::FnRetTy; 🔒

use rustc_ast::ForLoop; 🔒

use rustc_ast::HasAttrs as _; 🔒

use rustc_ast::StmtKind; 🔒

use rustc_data_structures::fx::FxHashMap; 🔒

use rustc_errors::MultiSpan; 🔒

use rustc_hir as hir; 🔒

use rustc_lint_defs::declare_lint; 🔒

use rustc_lint_defs::declare_lint_pass; 🔒

use rustc_lint_defs::impl_lint_pass; 🔒

use rustc_middle::ty; 🔒

use rustc_middle::ty::adjustment; 🔒

use rustc_span::edition::Edition::Edition2015; 🔒

use rustc_span::BytePos; 🔒

use rustc_span::Span; 🔒

use rustc_span::kw; 🔒

use rustc_span::sym; 🔒

use crate::diagnostics::PathStatementDrop; 🔒

use crate::diagnostics::PathStatementDropSub; 🔒

use crate::diagnostics::PathStatementNoEffect; 🔒

use crate::diagnostics::UnusedAllocationDiag; 🔒

use crate::diagnostics::UnusedAllocationMutDiag; 🔒

use crate::diagnostics::UnusedDelim; 🔒

use crate::diagnostics::UnusedDelimSuggestion; 🔒

use crate::diagnostics::UnusedImportBracesDiag; 🔒

use crate::EarlyContext; 🔒

use crate::EarlyLintPass; 🔒

use crate::LateContext; 🔒

use crate::LateLintPass; 🔒

use crate::Lint; 🔒

use crate::LintContext; 🔒

Modules

must_use

Structs

PathStatements

UnusedAllocation

UnusedBraces

UnusedImportBraces

UnusedParens 🔒

Enums

NoBoundsException 🔒

Whether parentheses may be omitted from a type without resulting in ambiguity.

UnusedDelimsCtx 🔒

Statics

PATH_STATEMENTS

The path_statements lint detects path statements with no effect.

UNUSED_ALLOCATION 🔒

The unused_allocation lint detects unnecessary allocations that can be eliminated.

UNUSED_BRACES 🔒

The unused_braces lint detects unnecessary braces around an expression.

UNUSED_IMPORT_BRACES 🔒

The unused_import_braces lint catches unnecessary braces around an imported item.

UNUSED_PARENS 🔒

The unused_parens lint detects if, match, while and return with parentheses; they do not need them.

Traits

UnusedDelimLint 🔒

Used by both UnusedParens and UnusedBraces to prevent code duplication.