cue eval cycleref.cue
cmp stdout expect-stdout-cue

-- frontmatter.toml --
title = "Cycles in Fields"
description = ""

-- text.md --
Also, we know that unifying a field with itself will result in the same value.
Thus if we have a cycle between some fields, all we need to do is ignore
the cycle and unify their values once to achieve the same result as
merging them ad infinitum.

-- cycleref.cue --
labels: selectors
labels: {app: "foo"}

selectors: labels
selectors: {name: "bar"}

-- expect-stdout-cue --
labels: {
    name: "bar"
    app:  "foo"
}
selectors: {
    name: "bar"
    app:  "foo"
}