public static Task <MethodResult <T> > OperateWhenAsync <T>(
this MethodResult <T> @this,
Func <bool> predicate,
Func <Task <MethodResult <T> > > function) =>
@this.OperateWhenAsync(predicate(), function);
public static Task <MethodResult <T> > OperateWhenAsync <T>(
this MethodResult <T> @this,
Func <bool> predicate,
Func <Task <MethodResult <T> > > function) =>
@this.OperateWhenAsync(predicate(), function);