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Use namespace aliases everywhere #23

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Sep 20, 2024
Merged

Use namespace aliases everywhere #23

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4 changes: 3 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@ Implements: `std::identity` proposed in [Standard Library Concepts (P0898R3)](ht
```cpp
#include <beman/exemplar/identity.hpp>

namespace exe = beman::exemplar;

// Class with a pair of values.
struct Pair
{
Expand All @@ -43,7 +45,7 @@ struct Pair
// e.g., pairs with custom projection: {1:one, 2:two, 3:three}
template <std::ranges::input_range R,
typename Projection>
void print(const std::string_view rem, R &&range, Projection projection = beman::exemplar::identity>)
void print(const std::string_view rem, R &&range, Projection projection = exe::identity>)
{
std::cout << rem << '{';
std::ranges::for_each(
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8 changes: 5 additions & 3 deletions examples/identity_as_default_projection.cpp
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Expand Up @@ -5,14 +5,16 @@
// TODO Darius: Do we need to selectively compile this example?
// Or should we assume that this project is compiled with C++20 support only?

#include <beman/exemplar/identity.hpp> // beman::exemplar::identity
#include <beman/exemplar/identity.hpp>

#include <algorithm>
#include <functional> // std::identity
#include <iostream>
#include <ranges>
#include <string>

namespace exe = beman::exemplar;

// Class with a pair of values.
struct Pair
{
Expand Down Expand Up @@ -44,9 +46,9 @@ void print_helper(const std::string_view rem, R &&range, Projection projection)
std::cout << "}\n";
};

// Print wrapper with beman::exemplar::identity.
// Print wrapper with exe::identity.
template <std::ranges::input_range R,
typename Projection = beman::exemplar::identity> // <- Notice the default projection.
typename Projection = exe::identity> // <- Notice the default projection.
void print_beman(const std::string_view rem, R &&range, Projection projection = {})
{
print_helper(rem, range, projection);
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4 changes: 3 additions & 1 deletion examples/identity_direct_usage.cpp
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Expand Up @@ -4,7 +4,9 @@

#include <iostream>

namespace exe = beman::exemplar;

int main() {
std::cout << beman::exemplar::identity()(2024) << '\n';
std::cout << exe::identity()(2024) << '\n';
return 0;
}
10 changes: 6 additions & 4 deletions src/beman/exemplar/identity.t.cpp
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Expand Up @@ -7,11 +7,13 @@
#include <algorithm>
#include <functional>

namespace exe = beman::exemplar;

TEST(IdentityTest, call_identity_with_int)
{
for (int i = -100; i < 100; ++i)
{
EXPECT_EQ(i, beman::exemplar::identity()(i));
EXPECT_EQ(i, exe::identity()(i));
}
}

Expand All @@ -25,7 +27,7 @@ TEST(IdentityTest, call_identity_with_custom_type)
for (int i = -100; i < 100; ++i)
{
const S s{i};
const S s_id = beman::exemplar::identity()(s);
const S s_id = exe::identity()(s);
EXPECT_EQ(s.i, s_id.i);
}
}
Expand All @@ -35,7 +37,7 @@ TEST(IdentityTest, compare_std_vs_beman)
// Requires: std::identity support.
#if defined(__cpp_lib_identity)
std::identity std_id;
beman::exemplar::identity beman_id;
exe::identity beman_id;
for (int i = -100; i < 100; ++i)
{
EXPECT_EQ(std_id(i), beman_id(i));
Expand All @@ -48,7 +50,7 @@ TEST(IdentityTest, check_is_transparent)
// Requires: transparent operators support.
#if defined(__cpp_lib_transparent_operators)

beman::exemplar::identity id;
exe::identity id;

const auto container = {1, 2, 3, 4, 5};
auto it = std::find(std::begin(container), std::end(container), 3);
Expand Down
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