Add join argument allowing formating list of values separated by a (#466)

Add join argument allowing formating list of values separated by a
string. Each value is formated according the format specifier.
This commit is contained in:
olivier80
2017-02-08 15:55:12 +01:00
committed by Victor Zverovich
parent bc6af7548b
commit a00006119f
2 changed files with 81 additions and 0 deletions

View File

@@ -1552,6 +1552,27 @@ TEST(FormatTest, Variadic) {
EXPECT_EQ(L"abc1", format(L"{}c{}", L"ab", 1));
}
TEST(FormatTest, JoinArg) {
using fmt::join;
int v1[3] = { 1, 2, 3 };
std::vector<float> v2;
v2.push_back(1.2);
v2.push_back(3.4);
EXPECT_EQ("(1, 2, 3)", format("({})", join(v1 + 0, v1 + 3, ", ")));
EXPECT_EQ("(1)", format("({})", join(v1 + 0, v1 + 1, ", ")));
EXPECT_EQ("()", format("({})", join(v1 + 0, v1 + 0, ", ")));
EXPECT_EQ("(001, 002, 003)", format("({:03})", join(v1 + 0, v1 + 3, ", ")));
EXPECT_EQ("(+01.20, +03.40)", format("({:+06.2f})", join(v2.begin(), v2.end(), ", ")));
EXPECT_EQ(L"(1, 2, 3)", format(L"({})", join(v1 + 0, v1 + 3, L", ")));
#if FMT_HAS_GXX_CXX11
EXPECT_EQ("(1, 2, 3)", format("({})", join(v1, ", ")));
EXPECT_EQ("(+01.20, +03.40)", format("({:+06.2f})", join(v2, ", ")));
#endif
}
template <typename T>
std::string str(const T &value) {
return fmt::format("{}", value);