at-least-n ( parser n -- parser' )

Vocabulary

peg.parsers

Inputs

parser	a parser
n	an integer

Outputs

parser'

a parser

Word description

Returns a parser that matches n or more repetitions of the input parser.

Examples

USING: peg peg.parsers prettyprint ; "aaa" "a" token 4 at-least-n parse => exception

USING: peg peg.parsers prettyprint ; "aaaa" "a" token 4 at-least-n parse .
V{ "a" "a" "a" "a" }

USING: peg peg.parsers prettyprint ; "aaaaa" "a" token 4 at-least-n parse .
V{ "a" "a" "a" "a" "a" }

See also

exactly-n, at-most-n, from-m-to-n

Definition

USING: kernel peg peg.parsers.private ;

IN: peg.parsers

: at-least-n ( parser n -- parser' )
    dupd exactly-n swap repeat0 2seq [ flatten-vectors ] action
    ;