[libcxx-commits] [PATCH] D147850: [libc++] Implements isblank.

[Mark de Wever via Phabricator via libcxx-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Mordante marked an inline comment as done.
Closed by commit rG0bc0edb847a0: [libc++] Implements isblank. (authored by Mordante).

Changed prior to commit:
  https://reviews.llvm.org/D147850?vs=511883&id=511982#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147850/new/

https://reviews.llvm.org/D147850

Files:
  libcxx/include/__locale
  libcxx/test/std/localization/locales/locale.convenience/classification/isblank.pass.cpp


Index: libcxx/test/std/localization/locales/locale.convenience/classification/isblank.pass.cpp
===================================================================
--- /dev/null
+++ libcxx/test/std/localization/locales/locale.convenience/classification/isblank.pass.cpp
@@ -0,0 +1,33 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// <locale>
+
+// template <class charT> bool isblank (charT c, const locale& loc);
+
+#include <locale>
+#include <cassert>
+
+#include "test_macros.h"
+
+int main(int, char**) {
+  std::locale l;
+  assert(std::isblank(' ', l));
+  assert(!std::isblank('<', l));
+  assert(!std::isblank('\x8', l));
+  assert(!std::isblank('A', l));
+  assert(!std::isblank('a', l));
+  assert(!std::isblank('z', l));
+  assert(!std::isblank('3', l));
+  assert(!std::isblank('.', l));
+  assert(!std::isblank('f', l));
+  assert(!std::isblank('9', l));
+  assert(!std::isblank('+', l));
+
+  return 0;
+}
Index: libcxx/include/__locale
===================================================================
--- libcxx/include/__locale
+++ libcxx/include/__locale
@@ -927,6 +927,11 @@
     return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c);
 }
 
+template <class _CharT>
+_LIBCPP_HIDE_FROM_ABI bool isblank(_CharT __c, const locale& __loc) {
+    return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::blank, __c);
+}
+
 template <class _CharT>
 inline _LIBCPP_INLINE_VISIBILITY
 _CharT


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