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Factor handbook » The language » Syntax » Parse-time word lookup » Syntax to control word lookup

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Vocabulary
syntax

Syntax

QUALIFIED: vocab

Word description
Adds the vocabulary's words, prefixed with the vocabulary name, to the search path.

Notes
If adding a vocabulary introduces ambiguity, the vocabulary will take precedence when resolving any ambiguous names. This is a rare case; for example, suppose a vocabulary fish defines a word named go:fishing, and a vocabulary named go defines a word named fishing. Then, the following will call the latter word:

USE: fish QUALIFIED: go go:fishing

Examples

USING: prettyprint ; QUALIFIED: math 1 2 math:+ .
3

Definition

USING: kernel lexer vocabs.parser ;

IN: syntax

SYNTAX: QUALIFIED: scan-token dup add-qualified ;