failed: Testing for parser failure
In parcr: Construct Parsers for Structured Text Files
failed R Documentation
Testing for parser failure
Description
Use this function to test whether your parser failed, for example in
unit testing of your parsers when writing a package.
Usage
failed(o)
Arguments
o
Output from a parser.
Value
A logical value.
See Also
print.marker()
Examples
d <- (literal("A") %then% literal("B"))(c("A", "A"))
d
failed(d)
parcr documentation built on Feb. 15, 2026, 5:07 p.m.
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| failed | R Documentation |
Testing for parser failure
Description
Use this function to test whether your parser failed, for example in unit testing of your parsers when writing a package.
Usage
failed(o)
Arguments
o |
Output from a parser. |
Value
A logical value.
See Also
print.marker()
Examples
d <- (literal("A") %then% literal("B"))(c("A", "A"))
d
failed(d)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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