v-one-line ( str -- str )
Form validators

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Vocabulary
validators

Inputs

str

a string

Outputs

str

a string

Word description
Throws a validation error if the string contains line breaks.

Definition

USING: kernel sets ;

IN: validators

: v-one-line ( str -- str )
    v-required dup "\r\n" intersects?
    [ "must be a single line" throw ] when ;