1 2 3 4 5 6 7 8 9 10 11 12 13 14 | var isPred = require( './isPred' ); var isClause = require( './isClause' ); var isClauseRef = require( './isClauseRef' ); var isDelayedClause = require( './isDelayedClause' ); function isExpr( x ) { return isPred( x ) || isClause( x ) || isClauseRef( x ) || isDelayedClause( x ); } module.exports = isExpr; |