def bond_force_look
import bend-prot@0.1.0.0/bonded.bend as Bondedimport Base
import bend-prot@0.1.0.0/geom.bend as G
289def bond_force_look(s: U32, ma: Maybe<&1, G.Vec3 & U32>, mb: Maybe<&1, G.Vec3 & U32>, a: U32, b: U32, +k: F32) -> G.Vec3:
290 match ma:
291 case None{}:
292 G.V3{0.0, 0.0, 0.0}
293 case Some{(pa, ea)}:
294 bond_force_look1(s, pa, ea, mb, a, b, k)