From: bors <bors@rust-lang.org>
Date: Mon, 9 Mar 2020 19:51:13 +0000 (+0000)
Subject: Auto merge of #5292 - jpospychala:map-placeholder, r=flip1995
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=64b76241417536eed000a5b3b2f95ec096f9574a;p=rust.git

Auto merge of #5292 - jpospychala:map-placeholder, r=flip1995

Improve placeholder in map_unit_fn

Instead of using `_` as a default placeholder use `a`.

fixes #5180
changelog: Improve default placeholder in map_unit_fn
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64b76241417536eed000a5b3b2f95ec096f9574a