Last data update: 2014.03.03
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R: Return the first argument passed (out of any number) that is...
Return the first argument passed (out of any number) that is not
a try-error (result of try encountering an error.
Description
This function is inspired by NVL , and simply returns
the first argument that is not a try-error , raising an error if
all arguments are try-error s.
Usage
ERRVL(...)
Arguments
... |
Expressions to be tested; usually outputs of try .
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Value
The first argument that is not a try-error . Stops with an error
if all are.
See Also
try , inherits
Examples
print(ERRVL(1,2,3)) # 1
print(ERRVL(try(solve(0)),2,3)) # 2
Results
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