just-mr maps: Add utility key-printing functions

...to be used when reporting pending keys on failure to post value.

4 files changed, 27 insertions, 0 deletions

diff --git a/src/other_tools/ops_maps/archive_fetch_map.hpp b/src/other_tools/ops_maps/archive_fetch_map.hpp
index fccc4bd4..3c4ed82c 100644
--- a/src/other_tools/ops_maps/archive_fetch_map.hpp
+++ b/src/other_tools/ops_maps/archive_fetch_map.hpp
@@ -17,7 +17,9 @@
 
 #include <cstddef>
 #include <filesystem>
+#include <functional>
 #include <optional>
+#include <string>
 
 #include "gsl/gsl"
 #include "src/buildtool/execution_api/common/execution_api.hpp"
@@ -37,4 +39,9 @@ using ArchiveFetchMap = AsyncMapConsumer<ArchiveContent, bool>;
     gsl::not_null<JustMRStatistics*> const& stats,
     std::size_t jobs) -> ArchiveFetchMap;
 
+// use explicit cast to std::function to allow template deduction when used
+static const std::function<std::string(ArchiveContent const&)>
+    kArchiveContentPrinter =
+        [](ArchiveContent const& x) -> std::string { return x.content; };
+
 #endif  // INCLUDED_SRC_OTHER_TOOLS_OPS_MAPS_ARCHIVE_FETCH_MAP_HPP
diff --git a/src/other_tools/ops_maps/git_tree_fetch_map.hpp b/src/other_tools/ops_maps/git_tree_fetch_map.hpp
index 6a2c101c..b7400ae2 100644
--- a/src/other_tools/ops_maps/git_tree_fetch_map.hpp
+++ b/src/other_tools/ops_maps/git_tree_fetch_map.hpp
@@ -16,6 +16,7 @@
 #define INCLUDED_SRC_OTHER_TOOLS_OPS_MAPS_GIT_TREE_FETCH_MAP_HPP
 
 #include <cstddef>
+#include <functional>
 #include <map>
 #include <optional>
 #include <string>
@@ -70,4 +71,9 @@ using GitTreeFetchMap = AsyncMapConsumer<GitTreeInfo, bool>;
     gsl::not_null<JustMRProgress*> const& progress,
     std::size_t jobs) -> GitTreeFetchMap;
 
+// use explicit cast to std::function to allow template deduction when used
+static const std::function<std::string(GitTreeInfo const&)>
+    kGitTreeInfoPrinter =
+        [](GitTreeInfo const& x) -> std::string { return x.hash; };
+
 #endif  // INCLUDED_SRC_OTHER_TOOLS_OPS_MAPS_GIT_TREE_FETCH_MAP_HPP
diff --git a/src/other_tools/ops_maps/git_update_map.hpp b/src/other_tools/ops_maps/git_update_map.hpp
index cdb9e55a..d30ebe07 100644
--- a/src/other_tools/ops_maps/git_update_map.hpp
+++ b/src/other_tools/ops_maps/git_update_map.hpp
@@ -16,6 +16,7 @@
 #define INCLUDED_SRC_OTHER_TOOLS_OPS_MAPS_GIT_UPDATE_MAP_HPP
 
 #include <cstddef>
+#include <functional>
 #include <string>
 #include <utility>
 #include <vector>
@@ -64,4 +65,11 @@ struct hash<RepoDescriptionForUpdating> {
     gsl::not_null<JustMRProgress*> const& progress,
     std::size_t jobs) -> GitUpdateMap;
 
+// use explicit cast to std::function to allow template deduction when used
+static const std::function<std::string(RepoDescriptionForUpdating const&)>
+    kRepoDescriptionPrinter =
+        [](RepoDescriptionForUpdating const& x) -> std::string {
+    return x.repo;
+};
+
 #endif  // INCLUDED_SRC_OTHER_TOOLS_OPS_MAPS_GIT_UPDATE_MAP_HPP
diff --git a/src/other_tools/repo_map/repos_to_setup_map.hpp b/src/other_tools/repo_map/repos_to_setup_map.hpp
index 257e4251..0f7f6473 100644
--- a/src/other_tools/repo_map/repos_to_setup_map.hpp
+++ b/src/other_tools/repo_map/repos_to_setup_map.hpp
@@ -16,6 +16,7 @@
 #define INCLUDED_SRC_OTHER_TOOLS_REPO_MAP_REPOS_TO_SETUP_MAP_HPP
 
 #include <cstddef>
+#include <functional>
 #include <memory>
 #include <optional>
 #include <string>
@@ -48,4 +49,9 @@ auto CreateReposToSetupMap(
     gsl::not_null<JustMRStatistics*> const& stats,
     std::size_t jobs) -> ReposToSetupMap;
 
+// use explicit cast to std::function to allow template deduction when used
+static const std::function<std::string(std::string const&)>
+    kReposToSetupPrinter =
+        [](std::string const& x) -> std::string { return x; };
+
 #endif  // INCLUDED_SRC_OTHER_TOOLS_REPO_MAP_REPOS_TO_SETUP_MAP_HPP