Because I keep having to look at the jq manual, here are some of my common examples for easy reference.
Some of these commands make use of my jq modules, assuming the repo is cloned to a heaths directory in the default or specified module root e.g., ~/.jq/heaths.
Select all instances of a dependency from cargo metadata in a workspace and put them into a JSON array:
# Alternatively could put the whole first jq expression into square brackets but I find this easier to modify the expression.