Method asymmetricMatch

packages/expect/src/jest-extend.ts:160–168

(other: unknown)

          }

          asymmetricMatch(other: unknown) {
            const { pass } = expectAssertion.call(
              this.getMatcherContext(expect),
              other,
              ...this.sample,
            ) as SyncExpectationResult

            return this.inverse ? !pass : pass
          }

          toString() {
            return `${this.inverse ? 'not.' : ''}${expectAssertionName}`