_include( name ) {

		const codeNode = wgslPolyfill[ name ];
		codeNode.build( this );

		if ( this.currentFunctionNode !== null ) {

			this.currentFunctionNode.includes.push( codeNode );

		}

		return codeNode;

	}
Includes the given method name into the current
function node.

@private
@param {string} name - The method name to include.
@return {CodeNode} The respective code node.