If the playground is already in a project that is not a workspace file, you can convert the project to a workspace by choosing File> Save As Workspace, then add the playing field to this workspace.
You can also drag the project framework into the Finder onto the project navigator in the workspace.
Open the playground file in the editor and add the imported custom structure using the import statement.
NOTE. These are the conditions.
The structure is in the same workspace as the playground.
The structure is already built.
If it is an iOS platform, it is built for the 64-bit version of the destination.
A work area contains at least one active circuit that creates targets.
If it is an Objective-C framework, it installs the Defines Module assembly
for Yes.
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