Method pushStack

packages/effect/src/internal/fiberRuntime.ts:1073–1078

(cont: core.Continuation)

  }

  pushStack(cont: core.Continuation) {
    this._stack.push(cont)
    if (cont._op === "OnStep") {
      this._steps.push({ refs: this.getFiberRefs(), flags: this.currentRuntimeFlags })
    }
  }

  popStack() {
    const item = this._stack.pop()