Try

Alias:Try, TryTo

Output:T

Tries to execute a step and recovers if that step results in failure.

Parameter	Type	Required	Position	Default Value	Summary
Statement Sequence Do	T	✔	1		The statement to try.
Recover OnError	string			Returns the default value of the return type.	The action to perform on an error.

Examples

Example 1

SCL

Try (1 / 0) OnError: 0

Expected Logs

Error Caught in Divide: Attempt to Divide by Zero.

Expected Output

0

Example 2

SCL

Try (4 / 2)

Expected Output

2

Example 3

If the alternative is not set the default value is used.

SCL

Try (1 / 0)

Expected Logs

Error Caught in Divide: Attempt to Divide by Zero.

Expected Output

0

Example 4

SCL

Try (ArrayElementAtIndex [0,1,2,3] 4 ) OnError: 4

Expected Logs

Error Caught in ArrayElementAtIndex: Index was outside the bounds of the array.

Expected Output

4

Example 5

SCL

TryTo Do: (
- log 123
- log 1 / 0
- 4
) OnError: 5

Expected Logs

123
Error Caught in Sequence: Attempt to Divide by Zero.

Expected Output

5