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Auto merge of #3816 - g-bartoszek:redundant_closure_for_macros, r=Manishearth

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do not trigger redundant_closure for external macros

fixes #3791
This commit is contained in:
bors 2019-02-25 13:46:31 +00:00
commit 2141ebf695
1 changed files with 5 additions and 1 deletions
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6
clippy_lints/src/eta_reduction.rs
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@ -1,7 +1,7 @@
use crate::utils::{is_adjusted, iter_input_pats, snippet_opt, span_lint_and_then, type_is_unsafe_function};
use if_chain::if_chain;
use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::lint::{in_external_macro, LateContext, LateLintPass, LintArray, LintContext, LintPass};
use rustc::ty;
use rustc::{declare_tool_lint, lint_array};
use rustc_errors::Applicability;
@ -45,6 +45,10 @@ impl LintPass for EtaPass {
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EtaPass {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
if in_external_macro(cx.sess(), expr.span) {
return;
}
match expr.node {
ExprKind::Call(_, ref args) | ExprKind::MethodCall(_, _, ref args) => {
for arg in args {