catch: Difference between revisions
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Lou Montana (talk | contribs) m (Text replacement - "{{Command " to "{{RV|type=command ") |
Lou Montana (talk | contribs) m (Text replacement - "\| *((\[\[.*\]\],? ?)+) * \}\}" to "|seealso= $1 }}") |
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| [[Exception handling]], [[try]], [[throw]] | |seealso= [[Exception handling]], [[try]], [[throw]] | ||
}} | }} | ||
Revision as of 23:22, 16 February 2021
Description
- Description:
- Description needed
- Groups:
- Program Flow
Syntax
- Syntax:
- Syntax needed
- Parameters:
- tryBlock: Exception Type
- code: Code
- Return Value:
- Return value needed
Examples
- Example 1:
try {throw "invalid argument"} catch {hint str _exception};- Example 2:
- Template:Since:
123 try {if (_this != 123) throw "invalid argument"} catch {hint str _exception}; - Example 3:
- The correct usage of shorthand alt syntax:
try { if (a > b) throw "Error: some error"; // OK // The command argument is static } catch { hint str _exception; }; try { _someFunc = { ..... }; if (a > b) throw (call _someFunc); // NOT OK // The command argument is dynamic // _someFunc is called first to get the value regardless of (a > b) outcome } catch { hint str _exception; }; try { _someFunc = { ..... }; if (a > b) then {throw (call _someFunc)}; /// OK // The command argument is dynamic // _someFunc is only called when (a > b) is true } catch { hint str _exception; };
Additional Information
- See also:
- Exception handlingtrythrow
Notes
-
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