google / go-jsonnet / 630

77%

master: 68%

Pull #280

travis-ci

Object field caching

This change adds caching to objects fields, i.e. now subsequent
references to an object field are going to be served from cache.

Cache is kept within an object. Objects created with operator +
start with a clean cache (they have to, because in general all
the fields may have changed their values due to late binding).

This change comes naturally with a change of structure of objects,
now valueObject is a concrete struct which keeps "uncachedObject"
which is roughly equivalent to old objects.

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