status: Returns the Status of a parsing result
In mslegrand/pegr: PEG PARSER

Description Usage Arguments Value Examples

Returns the Status of a parsing result

1	status(res)

`A`	result from parsing, i.e. the result form applying a rule to a text string input.

TRUE if successful, FALSE otherwise

parser<-new.parser()
#This rule to tests for string of a's followed by an equal number of b's
peg<-add_rule(parser, "S<-'a' S 'b'")

#test against 3 a's followed b 3 b's returns TRUE
apply_rule(parser, 'S', 'aaaabbbb')
status(res)

#test again with input of 3 a's followed bu 3 b's,
#this returns False
res<-apply_rule(parser, 'S', 'aaabbbb')
status(res)

See also