types optionalCV.ts

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  import { ClarityType } from '../common/constants';
import { ClarityValue } from '../clarity-value/types';
 
export type OptionalCV<T extends ClarityValue> = NoneCV | SomeCV<T>;
 
export interface NoneCV {
  readonly type: ClarityType.OptionalNone;
}
 
export interface SomeCV<T extends ClarityValue = ClarityValue> {
  readonly type: ClarityType.OptionalSome;
  readonly value: T;
}
 
export function noneCV(): NoneCV {
  return { type: ClarityType.OptionalNone };
}
 
export function someCV<T extends ClarityValue = ClarityValue>(value: T): OptionalCV<T> {
  return { type: ClarityType.OptionalSome, value };
}
 
export function optionalCVOf<T extends ClarityValue = ClarityValue>(value?: T): OptionalCV<T> {
  return value ? someCV(value) : noneCV();
}