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store_into: Accept float (by accepting generic floating point)

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This commit is contained in:
Nicholas Devenish 2025-01-26 21:08:49 +00:00
parent 3eda91b2e1
commit 1f2187b0e1
2 changed files with 36 additions and 3 deletions
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7
include/argparse/argparse.hpp
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@ -717,12 +717,13 @@ public:
return *this;
}
auto &store_into(double &var) {
template <typename T, typename std::enable_if<std::is_floating_point<T>::value>::type * = nullptr>
auto &store_into(T &var) {
if (m_default_value.has_value()) {
var = std::any_cast<double>(m_default_value);
var = std::any_cast<T>(m_default_value);
}
action([&var](const auto &s) {
var = details::parse_number<double, details::chars_format::general>()(s);
var = details::parse_number<T, details::chars_format::general>()(s);
return var;
});
return *this;

32
test/test_store_into.cpp
View File

@ -124,6 +124,38 @@ TEST_CASE("Test store_into(double), default value, specified" *
REQUIRE(res == 5.5);
}
// Float cases
TEST_CASE("Test store_into(float), no default value, non specified" *
test_suite("store_into")) {
argparse::ArgumentParser program("test");
float res = -1.0f;
program.add_argument("--float-opt").store_into(res);
program.parse_args({"./test.exe"});
REQUIRE(res == -1.0f);
}
TEST_CASE("Test store_into(float), default value, non specified" *
test_suite("store_into")) {
argparse::ArgumentParser program("test");
float res = -1.0f;
program.add_argument("--float-opt").default_value(3.5f).store_into(res);
program.parse_args({"./test.exe"});
REQUIRE(res == 3.5f);
}
TEST_CASE("Test store_into(float), default value, specified" *
test_suite("store_into")) {
argparse::ArgumentParser program("test");
float res = -1.0f;
program.add_argument("--float-opt").default_value(3.5f).store_into(res);
program.parse_args({"./test.exe", "--float-opt", "5.5"});
REQUIRE(res == 5.5f);
}
TEST_CASE("Test store_into(string), no default value, non specified" *
test_suite("store_into")) {
argparse::ArgumentParser program("test");