cubicweb #3352314 Proposal: New method ResultSet.one() [validation pending]

This method will return exactly one entity while enforcing its existence and unicity.

prioritynormal
typeenhancement
appeared in<not specified>
done in3.18.0
load left0.000
closed by#10713:bd841d6ae723
patch[rset] New method: ResultSet.one() [applied]