refactor: move functions to parent scope

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: Planeshifter

lib/node_modules/@stdlib/_tools/eslint/rules/jsdoc-example-require-spacing/lib/main.js

@@ -38,6 +38,31 @@ var DOPTS = {
 var rule;
 
 
+// FUNCTIONS //
+
+/**
+* Checks if a line contains a require statement.
+*
+* @private
+* @param {string} line - line to check
+* @returns {boolean} boolean indicating if line contains a require statement
+*/
+function hasRequire( line ) {
+	return trim( line ).indexOf( 'require(' ) !== -1;
+}
+
+/**
+* Checks if a line is empty.
+*
+* @private
+* @param {string} line - line to check
+* @returns {boolean} boolean indicating if line is empty
+*/
+function isEmpty( line ) {
+	return trim( line ) === '';
+}
+
+
 // MAIN //
 
 /**
@@ -62,28 +87,6 @@ function main( context ) {
 		});
 	}
 
-	/**
-	* Checks if a line contains a require statement.
-	*
-	* @private
-	* @param {string} line - line to check
-	* @returns {boolean} boolean indicating if line contains a require statement
-	*/
-	function hasRequire( line ) {
-		return trim( line ).indexOf( 'require(' ) !== -1;
-	}
-
-	/**
-	* Checks if a line is empty.
-	*
-	* @private
-	* @param {string} line - line to check
-	* @returns {boolean} boolean indicating if line is empty
-	*/
-	function isEmpty( line ) {
-		return trim( line ) === '';
-	}
-
 	/**
 	* Processes an example tag description.
 	*