surrounded-by ( parser begin end -- parser' )

Vocabulary

peg.parsers

Inputs

parser	a parser
begin	a string
end	a string

Outputs

parser'

a parser

Word description

Calls token on begin and end to make them into string parsers. Returns a parser that parses the begin, body, and end parsers in order. The begin and end parsers are hidden.

Examples

USING: peg peg.parsers prettyprint ; "hi123bye" integer-parser "hi" "bye" surrounded-by parse .
123

See also

pack

Definition

USING: kernel peg ;

IN: peg.parsers

: surrounded-by ( parser begin end -- parser' )
    [ token ] bi@ swapd pack ;