ref: d811a3c7a8fab7269e0798ee884d4d1363d913df
dir: /parse/trait.def/
/* Definitions of built in constraints */ Tc(Tcnum, "numeric") /* arith ops */ Tc(Tcint, "integral") /* behaves like an int, defaults to int as fallback */ Tc(Tcfloat, "floating") /* behaves like a float, defaults to float as fallback */ Tc(Tcidx, "indexable") /* indexable */ Tc(Tcslice, "sliceable") /* sliceable */ Tc(Tcfunc, "function") /* behaves like a function */ Tc(Tciter, "iterable") /* can be iterated over */