–– Pkl Error ––
Type constraint `!isEmpty` violated.
Value: ""

x | res: Listing<String(!isEmpty)> = new Listing<String> {
                        ^^^^^^^^
at listingTypeCheckError3#res (file:///$snippetsDir/input/errors/listingTypeCheckError3.pkl)

x | ""
    ^^
at listingTypeCheckError3#res[#1] (file:///$snippetsDir/input/errors/listingTypeCheckError3.pkl)

xxx | renderer.renderDocument(value)
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
at pkl.base#Module.output.text (pkl:base)

xxx | if (renderer is BytesRenderer) renderer.renderDocument(value) else text.encodeToBytes("UTF-8")
                                                                         ^^^^
at pkl.base#Module.output.bytes (pkl:base)
