registerBinaryCallback<R, T1, T2> method Null safety

ZoneBinaryCallback<R, T1, T2> registerBinaryCallback <R, T1, T2>(
  1. R callback(
    1. T1 arg1,
    2. T2 arg2
    )
)

Registers the given callback in this zone.

Similar to registerCallback but with a unary callback.

Implementation

ZoneBinaryCallback<R, T1, T2> registerBinaryCallback<R, T1, T2>(
    R callback(T1 arg1, T2 arg2));