v-integer ( str -- n )
Form validators

Prev:	v-number ( str -- n )
Next:	v-one-line ( str -- str )

Vocabulary
validators

Inputs

str

a string

Outputs

n	an integer

Word description
Converts the string into an integer, throwing a validation error if the string is not a valid integer.

Definition

USING: kernel math ;

IN: validators

: v-integer ( str -- n )
    v-number dup integer? [ "must be an integer" throw ] unless
    ;