Match documents where field is less or equal to value

https://docs.mongodb.com/manual/reference/operator/query/lte/

{field: {$lte: value} }

Property definitions

mongodb $ MongoMatch :: lte
	# Match documents where `field` is less or equal to `value`
	#
	# https://docs.mongodb.com/manual/reference/operator/query/lte/
	#
	# ~~~json
	# {field: {$lte: value} }
	# ~~~
	fun lte(field: String, value: nullable Serializable): MongoMatch do
		op("lte", field, value)
		return self
	end
lib/mongodb/queries.nit:155,2--165,4