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I store my value in a variable, and know whether I have been initialized or not. If you ask for my value and I have not been initialized, I suspend the process until a value has been assigned.
| • Promise class-creating instances: | (class) | |
| • Promise-accessing: | (instance) | |
| • Promise-initializing: | (instance) | |
| • Promise-printing: | (instance) | |
| • Promise-still unclassified: | (instance) |