pmt: Minor changes.

- Add build instruction.
 - Improve function lambdas.

src/functions/functions.hpp

@@ -29,6 +29,8 @@
   bool cls::isUsed() const { return cmd->parsed(); }
 #define NAME(cls) const char *cls::name() const
 
+#define COMMON_LAMBDA_PARAMS \
+  (std::string partition, const PartitionMap::Map_t::BasicInf props)
 #define COMMON_FUNCTION_BODY()                                                 \
   CLI::App *cmd = nullptr;                                                     \
   bool init(CLI::App &_app) override;                                          \