| validref(str, r, ty, st), okval(val, fs .type) ⊦ fs ' = _length, fs .type = void_type, validref(str, r, ty, st[r1 -- fs ', val]), is_referencevalue(val) |
fs = mkfs(class, ty0, fieldvar), validref(str, r, ty, st), okval(val, ty0) ⊦ fs ' = _length, ty0 = void_type, validref(str, r, ty, st[r1 -- fs ', val]), is_referencevalue(val)
[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ class = fs .class ∧ ty = fs .type ∧ fieldvar = fs .field ↔ fs = mkfs(class, ty, fieldvar)])], [EXTRATERMS : (fs, class, ty0, fieldvar)]]