IsInstance v: type/*type typ: type.Type return true while type/*type is a receiver of typ(also pointer receiver) valid -> mrpkg.IsInstance(obj, type.Type) valid -> mrpkg.IsInstance(obj, (*type).Type) valid -> mrpkg.IsInstance(&obj, type.Type) valid -> mrpkg.IsInstance(&obj, (*type).Type).

New valid -> mrpkg.New[type]() valid -> mrpkg.New[*type]() invalid -> mrpkg.New[**type]().

ConcurrentMap is a lock free concurrent map.

SqlLoader load sql/tmpl.