ref: ae494e5d5cbc5ff8094f47efdec22898d84dde63
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 */