确定参数是否是从vl-catch-all-apply 返回的错误对象 支持的平台:视窗和 Mac OS 签名(vl-catch-all-error-p arg)
返回值类型:T 或零 T,如果提供的参数是从返回的错误对象;否则。vl-catch-all-applynil 例子除以零使用:vl-catch-all-apply (setq catchit (vl-catch-all-apply '/ '(50 0))) #<%catch-all-apply-error%> 用于确定返回的值 by 是否为错误对象:vl-catch-all-error-pvl-catch-all-apply (vl-catch-all-error-p catchit) T |
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