ref: 76086513de9efd7a000d0bc229c3e990f0af5a2f
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 */