Method Equals

common/ast/ast.go:507–535

Equals returns whether two references are identical to each other.

(other *ReferenceInfo)

// Equals returns whether two references are identical to each other.
func (r *ReferenceInfo) Equals(other *ReferenceInfo) bool {
	if r.Name != other.Name {
		return false
	}
	if len(r.OverloadIDs) != len(other.OverloadIDs) {
		return false
	}
	if len(r.OverloadIDs) != 0 {
		overloadMap := make(map[string]struct{}, len(r.OverloadIDs))
		for _, id := range r.OverloadIDs {
			overloadMap[id] = struct{}{}
		}
		for _, id := range other.OverloadIDs {
			_, found := overloadMap[id]
			if !found {
				return false
			}
		}
	}
	if r.Value == nil && other.Value == nil {
		return true
	}
	if r.Value == nil && other.Value != nil ||
		r.Value != nil && other.Value == nil ||
		r.Value.Equal(other.Value) != types.True {
		return false
	}
	return true
}

// NewExtension creates an Extension to be recorded on the SourceInfo.
func NewExtension(id string, version ExtensionVersion, components ...ExtensionComponent) Extension {