Rebol 编程/尝试
< Rebol 编程
用法
[编辑 | 编辑源代码]TRY block
描述
[编辑 | 编辑源代码]尝试执行一个块并返回其值或错误。
TRY 是一个原生值。
参数
[编辑 | 编辑源代码]- block -- (类型：块)
源代码
[编辑 | 编辑源代码]try: native[
{Tries to DO a block and returns its value or an error.}
block [block!]
]
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TRY block
尝试执行一个块并返回其值或错误。
TRY 是一个原生值。
try: native[
{Tries to DO a block and returns its value or an error.}
block [block!]
]