require_scalar Function

private function require_scalar(node, key, context, problems) result(present_and_valid)

True if node has key holding a single value; otherwise records a problem.

Arguments

Type	Intent	Optional	Attributes		Name
type(cable_yaml_node_t),	intent(in)			::	node
character(len=*),	intent(in)			::	key
character(len=*),	intent(in)			::	context
character(len=:),	intent(inout),		allocatable	::	problems

Return Value logical