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Make it compile again

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This commit is contained in:
Philipp Hansch 2018-04-08 09:48:49 +02:00
parent d0bdfe5ce3
commit 991a30237a
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GPG Key ID: B6FA06A6E0E2665B
1 changed files with 13 additions and 12 deletions
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25
clippy_lints/src/map_nil_fn.rs
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@ -56,8 +56,8 @@ fn is_nil_type(ty: ty::Ty) -> bool {
fn is_nil_function(cx: &LateContext, expr: &hir::Expr) -> bool {
let ty = cx.tables.expr_ty(expr);
if let ty::TyFnDef(_, _, bare) = ty.sty {
if let Some(fn_type) = cx.tcx.no_late_bound_regions(&bare.sig) {
if let ty::TyFnDef(id, _) = ty.sty {
if let Some(fn_type) = cx.tcx.fn_sig(id).no_late_bound_regions() {
return is_nil_type(fn_type.output());
}
}
@ -115,17 +115,18 @@ fn reduce_nil_expression<'a>(cx: &LateContext, expr: &'a hir::Expr) -> Option<Sp
}
fn nil_closure<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &'a hir::Expr) -> Option<(&'tcx hir::Arg, &'a hir::Expr)> {
if let hir::ExprClosure(_, ref decl, inner_expr_id, _) = expr.node {
let body = cx.tcx.map.body(inner_expr_id);
if let hir::ExprClosure(_, ref decl, inner_expr_id, _, _) = expr.node {
let body = cx.tcx.hir.body(inner_expr_id);
let body_expr = &body.value;
if_let_chain! {[
decl.inputs.len() == 1,
is_nil_expression(cx, body_expr),
let Some(binding) = iter_input_pats(&decl, body).next(),
], {
return Some((binding, body_expr))
}}
if_chain! {
if decl.inputs.len() == 1;
if is_nil_expression(cx, body_expr);
if let Some(binding) = iter_input_pats(&decl, body).next();
then {
return Some((binding, body_expr));
}
}
}
None
}
@ -172,7 +173,7 @@ fn lint_map_nil_fn(cx: &LateContext, stmt: &hir::Stmt, expr: &hir::Expr, map_arg
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
fn check_stmt(&mut self, cx: &LateContext, stmt: &hir::Stmt) {
if in_macro(cx, stmt.span) {
if in_macro(stmt.span) {
return;
}