Tsonnet #33 - The arithmetic tutorial must go on

Welcome to the Tsonnet series! If you're not following along, check out how it all started in the first post of the series . In the previous post, we added a full set of binary operators: Tsonnet #32 - != done, but getting there Hercules Lemke Merscher ・ Mar 5 #tsonnet #jsonnet #compiler We were almost done with the arithmetic tutorial . Two pieces were still missing: object merging, and division by zero error handling. Let's wrap those up. Merging objects The + operator is overloaded to act as an operator to merge two objects. This sample file: // samples/objects/merge.jsonnet { a : 1 , b : 2 } + { b : 3 , c : 4 } Results in: { "a" : 1 , "b" : 3 , "c" : 4 } The right-hand side overrides the left-hand side fields. The cram test looks like this: diff --git a/test/cram/objects.t b/test/cram/objects.t index 9c12260..bfb25bd 100644 --- a/test/cram/objects.t +++ b/test/cram/objects.t @@ -18,3 +18,6 @@ $ tsonnet ../../samples/objects/toplevel_field_lookup_chain.jsonnet { "answer": { "value":