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panic at map_unit_fn.rs:202 for map() without args

This commit is contained in:
Mark Nieweglowski 2018-12-22 00:58:07 -05:00
parent 80c07d4c28
commit c6031221e0
1 changed files with 1 additions and 1 deletions
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2
clippy_lints/src/map_unit_fn.rs
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@ -199,7 +199,6 @@ fn suggestion_msg(function_type: &str, map_type: &str) -> String {
fn lint_map_unit_fn(cx: &LateContext<'_, '_>, stmt: &hir::Stmt, expr: &hir::Expr, map_args: &[hir::Expr]) {
let var_arg = &map_args[0];
let fn_arg = &map_args[1];
let (map_type, variant, lint) = if match_type(cx, cx.tables.expr_ty(var_arg), &paths::OPTION) {
("Option", "Some", OPTION_MAP_UNIT_FN)
@ -208,6 +207,7 @@ fn lint_map_unit_fn(cx: &LateContext<'_, '_>, stmt: &hir::Stmt, expr: &hir::Expr
} else {
return;
};
let fn_arg = &map_args[1];
if is_unit_function(cx, fn_arg) {
let msg = suggestion_msg("function", map_type);