All Manuals > LispWorks User Guide and Reference Manual > 31 The EXTERNAL-FORMAT Package

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valid-external-format-p

Function
Summary

Tests whether an external format spec is valid.

Package

external-format

Signature

valid-external-format-p ef-spec &optional env => bool

Arguments

ef-spec

An external format spec.

env

An environment across which the spec should apply.

Values

bool

t if ef-spec is a valid spec; nil otherwise.

Description

This predicate tests whether the external format spec given in ef-spec is valid (in the environment env ).

Example
(valid-external-format-p '(:Unicode :eol-style :lf))

LispWorks User Guide and Reference Manual - 21 Dec 2011

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