Hi Sean, You *need* an outer context. See Context>>cleanCopy, which Fuel uses to serialize blocks.
Cheers, Max On 1 May 2020, at 3:23, Sean P. DeNigris wrote: > What am I not understanding about FullBlockClosure? > > I have a clean block that I'd like to turn into a FullBlockClosure so that I > can serialize it without dragging (unneeded methods) into my object graph. > However, documentation and in-image example usages seem severely limited. > Here was one experiment that ended with a primitive failure. It seems like a > receiver is needed and it can't be a dummy value (see commented "receiver: > 1"). But what would the receiver be in the absence of an outer context?! > > aBlockClosure := [ :a :b | 1 + a + b ]. > fbc := (FullBlockClosure > outerContext: nil > startpc: aBlockClosure startpc > numArgs: aBlockClosure argumentCount > copiedValues: Array new) "receiver: 1; yourself". > > fbc value: 2 value: 3. "PrimitiveFailed: primitive #value:value: in > FullBlockClosure failed" > > > > ----- > Cheers, > Sean > -- > Sent from: http://forum.world.st/Pharo-Smalltalk-Developers-f1294837.html
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