lib/entry.js
function isFunction() {
  return !!(
    this.isCtor() ||
    _.size(this.getParams()) ||
    _.size(this.getReturns()) ||
    hasTag(this, 'function') ||
    /\*\/\s*(?:function\s+)?[^\s(]+\s*\(/.test(this.entry)
  );
}
function isFunction() {
  return !!(
    this.isCtor() ||
    _.size(this.getParams()) ||
    _.size(this.getReturns()) ||
    hasTag(this, 'function') ||
    /\*\/\s*(?:function\s+)?[^\s(]+\s*\(/.test(this.entry)
  );
}
function isFunction ( ) { return ! ! ( this . isCtor ( ) || _ . size ( this . getParams ( ) ) || _ . size ( this . getReturns ( ) ) || hasTag ( this , 'function' ) || / \*\/\s*(?:function\s+)?[^\s(]+\s*\( / . test ( this . entry ) ) ; }
Checks if the entry is a function reference.

@memberOf Entry
@returns {boolean} Returns `true` if the entry is a function reference, else `false`.
Checks if the entry is a function reference .