Catch

可用

Non-local exit — `Throw[val]` unwinds until the innermost `Catch`.

形式

Catch[expr]

Catch[expr, form]

Catch[expr, form, f]

验证过的示例Catch[Throw[42]] → 42 Catch[Do[If[i == 3, Throw[i]], {i, 1, 5}]] → 3

在 Qurak 上运行搜索参考

主题

Flow Control - General
Language Overview - Error & Exception Handling »
Looping Constructs - Loop Termination
Procedural Programming - Flow Control »
Robustness And Error Handling - Low-Level Error Handling
Scoping Constructs - Other Forms of Scoping

相关

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