(s, o)
| 3920 | } catch (s) {} |
| 3921 | } |
| 3922 | function setProp(s, o) { |
| 3923 | Object.defineProperty(s, o, { |
| 3924 | get: function () { |
| 3925 | return this.get(o) |
| 3926 | }, |
| 3927 | set: function (s) { |
| 3928 | ;(invariant(this.__ownerID, 'Cannot set on an immutable record.'), this.set(o, s)) |
| 3929 | }, |
| 3930 | }) |
| 3931 | } |
| 3932 | function Set(s) { |
| 3933 | return null == s |
| 3934 | ? emptySet() |