Add templates and example files for Python, Go, and JavaScript

examples/example_go.go

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+// Package utils provides utility functions for common operations.
+//
+// This package includes functions for string manipulation,
+// numerical calculations, and file operations.
+package utils
+
+import (
+	"errors"
+	"strings"
+)
+
+// Trim removes whitespace from both ends of a string.
+//
+// s: The string to trim
+//
+// Returns: The trimmed string
+func Trim(s string) string {
+	return strings.TrimSpace(s)
+}
+
+// Add adds two integers and returns their sum.
+//
+// a: First integer
+// b: Second integer
+//
+// Returns: The sum of a and b
+func Add(a, b int) int {
+	return a + b
+}
+
+// Divide performs integer division.
+//
+// numerator: The number to divide
+// denominator: The divisor
+//
+// Returns: The quotient, or an error if denominator is zero
+//
+// Raises: error if denominator is zero
+func Divide(numerator, denominator int) (int, error) {
+	if denominator == 0 {
+		return 0, errors.New("division by zero")
+	}
+	return numerator / denominator, nil
+}
+
+// Greet returns a personalized greeting message.
+//
+// name: The name to include in the greeting
+// formal: Whether to use formal greeting
+//
+// Returns: A greeting string
+func Greet(name string, formal bool) string {
+	if formal {
+		return "Good day, " + name + "."
+	}
+	return "Hi, " + name + "!"
+}
+
+// ProcessList processes a list of strings with the given function.
+//
+// items: The list of strings to process
+// fn: The function to apply to each item
+//
+// Returns: A new list with processed items
+func ProcessList(items []string, fn func(string) string) []string {
+	result := make([]string, len(items))
+	for i, item := range items {
+		result[i] = fn(item)
+	}
+	return result
+}