Great!! Thanks, Stef! Now on to the parrot operator, initializing local variables at point of declaration, and destructuring collections.... (For those for whom these are new ideas, see: https://github.com/dvmason/Pharo-Functional ) ../Dave On Mon, 18 Sept 2023 at 15:40, stephane ducasse <stephane.ducasse@inria.fr> wrote:

testNestedLiteralSet

| compiler | compiler := OpalCompiler new. compiler compilationContext parserClass: RBParserLiteralCollection. self assert: (compiler evaluate: '{ :Set 1 . { :Set 2 . 2 } . 1}' ) equals: (Set new add: 1 ; add: (Set new add: 2; add: 2; yourself); add: 1 ;yourself).

testOrderedCollection

| compiler | compiler := OpalCompiler new. compiler compilationContext parserClass: RBParserLiteralCollection. self assert: (compiler evaluate: '{ :OrderedCollection 1 . 2 . 1 . 3}’ ) equals: #(1 2 1 3) asOrderedCollection.

testDictionary

| compiler dict | compiler := OpalCompiler new. compiler compilationContext parserClass: RBParserLiteralCollection. dict := (compiler evaluate: '{ :Dictionary #a -> 33 . #b -> 44}' ). self assert: (dict at: #a) equals: 33

I want to thank dave mason for the design!

S