ref: ce977b34a1f6449114772a41a4677e2118830e92
dir: /parse/cstr.def/
Tc(Tcnum, "tcnum") /* arith ops */ Tc(Tcint, "tcint") /* bitwise ops */ Tc(Tctest, "tctest") /* if condition */ Tc(Tcidx, "tcidx") /* indexable */ Tc(Tcslice, "tcslice") /* sliceable */ Tc(Ncstr, "")