[Scons-users] Why does value.str not return the built value if available?

[Andrew C. Morrow]

Hi -

I was trying to use the Value Node type for something recently, and I was
surprised to find that the __str__ of a Value is only ever its initial
value, never the built value.

Is there an explicit reason for this choice? Would it make more sense if
__str__ returned the built value, if it existed? Should invoking __str__
invoke build, if it hasn't been?

Thanks,
Andrew
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