Tony Garnock-Jones uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-tonyg.1212.mcz
==================== Summary ====================
Name: Kernel-tonyg.1212 Author: tonyg Time: 30 January 2019, 5:20:04.609071 pm UUID: 03bd0e4c-76d2-4be6-a7e1-58414c7fab52 Ancestors: Kernel-mt.1211
Improve promise resolution error handling via #fulfillWith:.
=============== Diff against Kernel-mt.1211 ===============
Item was added: + ----- Method: Promise>>fulfillWith: (in category 'resolving') ----- + fulfillWith: aBlock + self fulfillWith: aBlock passErrors: rejecters isEmpty!
Item was added: + ----- Method: Promise>>fulfillWith:passErrors: (in category 'resolving') ----- + fulfillWith: aBlock passErrors: aBoolean + "Evaluate aBlock. If it signals an exception, reject this promise with the exception + as the argument; if it returns a value [or another Promise], resolve this promise + with the result. + + If aBoolean is true, and an exception is signaled, it is passed out to the caller. + If aBoolean is false, signaled exceptions are considered handled after the promise + has been rejected." + [ self resolveWith: aBlock value ] + on: Exception + do: [ :ex | + (ex isKindOf: Halt) + ifTrue: [ex pass] + ifFalse: [ + self rejectWith: ex. + aBoolean ifTrue: [ ex pass ] ]]!